DROP TABLE IF EXISTS t1,t2; CREATE TABLE t1(c1 DECIMAL(10,5) UNSIGNED NOT NULL, c2 DECIMAL(10,5) SIGNED NULL, c3 DECIMAL, c4 INT, UNIQUE INDEX idx(c1,c2)); CREATE TABLE t2(c1 DECIMAL(10,0) SIGNED NOT NULL, c2 DECIMAL(10) UNSIGNED NULL, c3 DECIMAL, c4 INT); INSERT INTO t1 VALUES('00100.05000','-00100.05000','00100.05000',1); Warnings: Note 1265 Data truncated for column 'c3' at row 1 INSERT INTO t2 VALUES('-1000000000','1000000000','1000000000',2); INSERT INTO t1(c1) VALUES('12345.000009'); Warnings: Note 1265 Data truncated for column 'c1' at row 1 INSERT INTO t1 VALUES('99999.99999','-99999.99999','99999.99999',3); Warnings: Note 1265 Data truncated for column 'c3' at row 1 INSERT INTO t2 VALUES('-9999999999','-9999999999','9999999999',4); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 SELECT * FROM t1; c1 c2 c3 c4 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 3 INSERT INTO t1 VALUES('100000.000002','-100000.000002','100000.000002',5); ERROR 23000: Duplicate entry '99999.99999--99999.99999' for key 'idx' DELETE FROM t1 WHERE c1='99999.99999' AND c2='-99999.99999'; SELECT * FROM t1; c1 c2 c3 c4 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL INSERT INTO t1 VALUES('100000.000002','-100000.000002','100000.000002',5); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT INTO t2 VALUES('10000000000','-10000000000','10000000000',6); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 insert into t1 values ("0.0","0.0","0.0",7),("01.0","01.0","01.0",10); insert into t1 values ("-.1","-.1","-.1",13); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Note 1265 Data truncated for column 'c3' at row 1 insert into t1 values ("+111111111.11","+111111111.11","+111111111.11",19); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 insert into t2 values ("0.0","0.0","0.0",7),("-0.0","-0.0","-0.0",8),("+0.0","+0.0","+0.0",9),("01.0","01.0","01.0",10),("+01.0","+01.0","+01.0",11),("-01.0","-01.0","-01.0",12); Warnings: Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c2' at row 6 insert into t2 values ("-.1","-.1","-.1",13),("+.1","+.1","+.1",14),(".1",".1",".1",15); Warnings: Note 1265 Data truncated for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 Note 1265 Data truncated for column 'c1' at row 3 Note 1265 Data truncated for column 'c2' at row 3 Note 1265 Data truncated for column 'c3' at row 3 insert into t2 values ("00000000000001","00000000000001","00000000000001",16),("+0000000000001","+0000000000001","+0000000000001",17),("-0000000000001","-0000000000001","-0000000000001",18); Warnings: Warning 1264 Out of range value for column 'c2' at row 3 insert into t2 values ("+111111111.11","+111111111.11","+111111111.11",19),("111111111.11","111111111.11","111111111.11",20),("-11111111.11","-11111111.11","-11111111.11",21); Warnings: Note 1265 Data truncated for column 'c1' at row 1 Note 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 Note 1265 Data truncated for column 'c1' at row 3 Warning 1264 Out of range value for column 'c2' at row 3 Note 1265 Data truncated for column 'c3' at row 3 insert into t2 values ("-111111111.11","-111111111.11","-111111111.11",22),("+1111111111.11","+1111111111.11","+1111111111.11",23),("1111111111.11","1111111111.11","1111111111.11",24); Warnings: Note 1265 Data truncated for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 Note 1265 Data truncated for column 'c1' at row 3 Note 1265 Data truncated for column 'c2' at row 3 Note 1265 Data truncated for column 'c3' at row 3 insert into t2 values ("1e+1000","1e+1000","1e+1000",25),("1e-1000","1e-1000","1e-1000",26),("-1e+1000","-1e+1000","-1e+1000",27); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 Warning 1264 Out of range value for column 'c1' at row 3 Warning 1264 Out of range value for column 'c2' at row 3 Warning 1264 Out of range value for column 'c3' at row 3 insert into t2 values ("1e+4294967296","1e+4294967296","1e+4294967296",28),("1e-4294967296","1e-4294967296","1e-4294967296",29); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 insert into t2 values ("1e+18446744073709551615","1e+18446744073709551615","1e+18446744073709551615",30),("1e+18446744073709551616","1e+18446744073709551616","1e+18446744073709551616",31),("1e-9223372036854775807","1e-9223372036854775807","1e-9223372036854775807",32),("1e-9223372036854775809","1e-9223372036854775809","1e-9223372036854775809",33); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1366 Incorrect decimal value: '1e+18446744073709551616' for column 'c1' at row 2 Warning 1366 Incorrect decimal value: '1e+18446744073709551616' for column 'c2' at row 2 Warning 1366 Incorrect decimal value: '1e+18446744073709551616' for column 'c3' at row 2 Note 1265 Data truncated for column 'c1' at row 3 Note 1265 Data truncated for column 'c2' at row 3 Note 1265 Data truncated for column 'c3' at row 3 Warning 1366 Incorrect decimal value: '1e-9223372036854775809' for column 'c1' at row 4 Warning 1366 Incorrect decimal value: '1e-9223372036854775809' for column 'c2' at row 4 Warning 1366 Incorrect decimal value: '1e-9223372036854775809' for column 'c3' at row 4 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t2; c1 c2 c3 c4 -1 0 -1 12 -1 0 -1 18 -1000000000 1000000000 1000000000 2 -11111111 0 -11111111 21 -111111111 0 -111111111 22 -9999999999 0 -9999999999 27 -9999999999 0 9999999999 4 0 0 0 13 0 0 0 14 0 0 0 15 0 0 0 26 0 0 0 29 0 0 0 31 0 0 0 32 0 0 0 33 0 0 0 7 0 0 0 8 0 0 0 9 1 1 1 10 1 1 1 11 1 1 1 16 1 1 1 17 111111111 111111111 111111111 19 111111111 111111111 111111111 20 1111111111 1111111111 1111111111 23 1111111111 1111111111 1111111111 24 9999999999 0 9999999999 6 9999999999 9999999999 9999999999 25 9999999999 9999999999 9999999999 28 9999999999 9999999999 9999999999 30 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) as max_value, sum(c1) as sum, avg(c1) as avg FROM t1; total_rows min_value max_value sum avg 7 0.00000 99999.99999 212446.04999 30349.435712857 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) as max_value, sum(c2) as sum, avg(c2) as avg FROM t1; total_rows min_value max_value sum avg 7 -99999.99999 99999.99999 -99.15000 -16.525000000 SELECT count(*) as total_rows, min(c3) as min_value, max(c3) as max_value, sum(c3) as sum, avg(c3) as avg FROM t1; total_rows min_value max_value sum avg 7 0 111111111 111211212 18535202.0000 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) as max_value, sum(c1) as sum, avg(c1) as avg FROM t2; total_rows min_value max_value sum avg 30 -9999999999 9999999999 21322222222 710740740.7333 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) as max_value, sum(c2) as sum, avg(c2) as avg FROM t2; total_rows min_value max_value sum avg 30 0 9999999999 33444444445 1114814814.8333 SELECT count(*) as total_rows, min(c3) as min_value, max(c3) as max_value, sum(c3) as sum, avg(c3) as avg FROM t2; total_rows min_value max_value sum avg 30 -9999999999 9999999999 43322222220 1444074074.0000 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t1; total_rows min_value max(c1) 7 0.00000 99999.99999 SELECT * FROM t1 WHERE c3 = '0.0'; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 99999.99999 99999.99999 SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 99999.99999 99999.99999 -99999.99999 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t1; total_rows min_value max(c1) 7 0.00000 99999.99999 SELECT * FROM t1 WHERE c3 = '-0.0'; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 99999.99999 99999.99999 SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 99999.99999 99999.99999 -99999.99999 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2; c1 c2 c3 c4 100.05000 -100.05000 100 1 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100 1 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 DESC; c1 c2 c3 c4 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t1; total_rows min_value max(c2) 7 -99999.99999 99999.99999 SELECT * FROM t1 WHERE c3 = '-0.0'; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 99999.99999 99999.99999 SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 99999.99999 99999.99999 -99999.99999 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 100.05000 -100.05000 100 1 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 -99999.99999 100000 5 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 0 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 100.05000 -100.05000 100 1 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 1.00000 1.00000 1 10 100.05000 -100.05000 100 1 99999.99999 99999.99999 111111111 19 99999.99999 -99999.99999 100000 5 SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 0 13 SELECT c1 FROM t1 GROUP BY c1; c1 0.00000 1.00000 100.05000 12345.00001 99999.99999 SELECT DISTINCT c1 FROM t1; c1 0.00000 1.00000 100.05000 12345.00001 99999.99999 SELECT c1,MIN(c2) FROM t1 GROUP BY c1; c1 MIN(c2) 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 CREATE TABLE t5(c1 DECIMAL(65,0) UNSIGNED NOT NULL, c2 DECIMAL(65,0) SIGNED NULL, c3 DECIMAL, c4 INT, INDEX idx(c1,c2)); INSERT INTO t5 VALUES('1e+64','-1e+64','1e+64',1),('1e-64','-1e-64','1e-64',2); Warnings: Warning 1264 Out of range value for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 INSERT INTO t5 VALUES('1.2e+65','-1.2e+65','1.2e+65',3),('1.2e-65','-1.2e-65','1.2e-65',4); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Note 1265 Data truncated for column 'c1' at row 2 Note 1265 Data truncated for column 'c2' at row 2 Note 1265 Data truncated for column 'c3' at row 2 SELECT * FROM t5; c1 c2 c3 c4 0 0 0 2 0 0 0 4 10000000000000000000000000000000000000000000000000000000000000000 -10000000000000000000000000000000000000000000000000000000000000000 9999999999 1 99999999999999999999999999999999999999999999999999999999999999999 -99999999999999999999999999999999999999999999999999999999999999999 9999999999 3 DROP TABLE t5; CREATE TABLE t5(c1 DECIMAL(18,9) UNSIGNED, c2 DECIMAL(18,9) SIGNED) /* requires 8 bytes */; INSERT INTO t5 VALUES(123456789.123456789,-123456789.123456789); SELECT c1,c2 FROM t5; c1 c2 123456789.123456789 -123456789.123456789 ALTER TABLE t5 CHANGE c1 c1 DECIMAL(19,9) UNSIGNED, CHANGE c2 c2 DECIMAL(19,9) SIGNED /* requires 9 bytes */; INSERT INTO t5 VALUES(1234567891.123456789,-1234567891.123456789); SELECT c1,c2 FROM t5; c1 c2 123456789.123456789 -123456789.123456789 1234567891.123456789 -1234567891.123456789 ALTER TABLE t5 CHANGE c1 c1 DECIMAL(21,10) UNSIGNED, CHANGE c2 c2 DECIMAL(21,10) SIGNED /* requires 10 bytes */; INSERT INTO t5 VALUES(12345678912.1234567891,-12345678912.1234567891); SELECT c1,c2 FROM t5; c1 c2 123456789.1234567890 -123456789.1234567890 1234567891.1234567890 -1234567891.1234567890 12345678912.1234567891 -12345678912.1234567891 ALTER TABLE t5 CHANGE c1 c1 DECIMAL(23,11) UNSIGNED, CHANGE c2 c2 DECIMAL(23,11) SIGNED /* requires 11 bytes */; INSERT INTO t5 VALUES(123456789123.12345678912,-123456789123.12345678912); SELECT c1,c2 FROM t5; c1 c2 123456789.12345678900 -123456789.12345678900 1234567891.12345678900 -1234567891.12345678900 12345678912.12345678910 -12345678912.12345678910 123456789123.12345678912 -123456789123.12345678912 ALTER TABLE t5 CHANGE c1 c1 DECIMAL(25,12) UNSIGNED, CHANGE c2 c2 DECIMAL(25,12) SIGNED /* requires 12 bytes */; INSERT INTO t5 VALUES(1234567891234.123456789123,-1234567891234.123456789123); SELECT c1,c2 FROM t5; c1 c2 123456789.123456789000 -123456789.123456789000 1234567891.123456789000 -1234567891.123456789000 12345678912.123456789100 -12345678912.123456789100 123456789123.123456789120 -123456789123.123456789120 1234567891234.123456789123 -1234567891234.123456789123 SELECT SUM(c1),SUM(c2) FROM t5; SUM(c1) SUM(c2) 1371728383949.617283945343 -1371728383949.617283945343 DROP TABLE t5; CREATE TABLE t5(c1 DECIMAL(16,6), c2 tinyint); INSERT INTO t5 VALUES(1.1325,3); SELECT ROUND(c1,c2),TRUNCATE(c1,c2) FROM t5; ROUND(c1,c2) TRUNCATE(c1,c2) 1.133000 1.132000 DROP TABLE t5; CREATE TABLE t7(c1 DECIMAL(66,0)); ERROR 42000: Too big precision 66 specified for column 'c1'. Maximum is 65. CREATE TABLE t7(c1 DECIMAL(5,10)); ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'c1'). DROP TABLE t1,t2; CREATE TABLE t1(c1 FLOAT(10,5) UNSIGNED NOT NULL, c2 FLOAT(10,5) SIGNED NULL, c3 FLOAT, c4 INT, UNIQUE INDEX idx(c1,c2)); CREATE TABLE t2(c1 FLOAT(10,0) SIGNED NOT NULL, c2 FLOAT(10,0) UNSIGNED NULL, c3 FLOAT, c4 INT); INSERT INTO t1 VALUES('00100.05000','-00100.05000','00100.05000',1); INSERT INTO t2 VALUES('-1000000000','1000000000','1000000000',2); INSERT INTO t1(c1) VALUES('12345.000009'); INSERT INTO t1 VALUES('99999.99999','-99999.99999','99999.99999',3); INSERT INTO t2 VALUES('-9999999999','-9999999999','9999999999',4); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 SELECT * FROM t1; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 3 INSERT INTO t1 VALUES('100000.000002','-100000.000002','100000.000002',5); ERROR 23000: Duplicate entry '100000.00000--100000.00000' for key 'idx' DELETE FROM t1 WHERE c1='100000.00000' AND c2='-100000.00000'; INSERT INTO t1 VALUES('100000.000002','-100000.000002','100000.000002',5); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 INSERT INTO t2 VALUES('10000000000','-10000000000','10000000000',6); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 insert into t1 values ("0.0","0.0","0.0",7),("01.0","01.0","01.0",10); insert into t1 values ("-.1","-.1","-.1",13); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 insert into t1 values ("+111111111.11","+111111111.11","+111111111.11",19); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 insert into t2 values ("0.0","0.0","0.0",7),("-0.0","-0.0","-0.0",8),("+0.0","+0.0","+0.0",9),("01.0","01.0","01.0",10),("+01.0","+01.0","+01.0",11),("-01.0","-01.0","-01.0",12); Warnings: Warning 1264 Out of range value for column 'c2' at row 6 insert into t2 values ("-.1","-.1","-.1",13),("+.1","+.1","+.1",14),(".1",".1",".1",15); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 insert into t2 values ("00000000000001","00000000000001","00000000000001",16),("+0000000000001","+0000000000001","+0000000000001",17),("-0000000000001","-0000000000001","-0000000000001",18); Warnings: Warning 1264 Out of range value for column 'c2' at row 3 insert into t2 values ("+111111111.11","+111111111.11","+111111111.11",19),("111111111.11","111111111.11","111111111.11",20),("-11111111.11","-11111111.11","-11111111.11",21); Warnings: Warning 1264 Out of range value for column 'c2' at row 3 insert into t2 values ("-111111111.11","-111111111.11","-111111111.11",22),("+1111111111.11","+1111111111.11","+1111111111.11",23),("1111111111.11","1111111111.11","1111111111.11",24); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 insert into t2 values ("1e+1000","1e+1000","1e+1000",25),("1e-1000","1e-1000","1e-1000",26),("-1e+1000","-1e+1000","-1e+1000",27); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c1' at row 3 Warning 1264 Out of range value for column 'c1' at row 3 Warning 1264 Out of range value for column 'c2' at row 3 Warning 1264 Out of range value for column 'c2' at row 3 Warning 1264 Out of range value for column 'c3' at row 3 Warning 1264 Out of range value for column 'c3' at row 3 insert into t2 values ("1e+4294967296","1e+4294967296","1e+4294967296",28),("1e-4294967296","1e-4294967296","1e-4294967296",29); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 insert into t2 values ("1e+18446744073709551615","1e+18446744073709551615","1e+18446744073709551615",30),("1e+18446744073709551616","1e+18446744073709551616","1e+18446744073709551616",31),("1e-9223372036854775807","1e-9223372036854775807","1e-9223372036854775807",32),("1e-9223372036854775809","1e-9223372036854775809","1e-9223372036854775809",33); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c3' at row 2 Warning 1264 Out of range value for column 'c3' at row 2 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 12345.00000 NULL NULL NULL SELECT * FROM t2; c1 c2 c3 c4 -1 0 -1 12 -1 0 -1 18 -1000000000 1000000000 1e+09 2 -10000000000 0 -3.40282e+38 27 -10000000000 0 1e+10 4 -11111111 0 -1.11111e+07 21 -111111112 0 -1.11111e+08 22 0 0 -0 8 0 0 -0.1 13 0 0 0 26 0 0 0 29 0 0 0 32 0 0 0 33 0 0 0 7 0 0 0 9 0 0 0.1 14 0 0 0.1 15 1 1 1 10 1 1 1 11 1 1 1 16 1 1 1 17 10000000000 0 1e+10 6 10000000000 10000000000 3.40282e+38 25 10000000000 10000000000 3.40282e+38 28 10000000000 10000000000 3.40282e+38 30 10000000000 10000000000 3.40282e+38 31 111111112 111111112 1.11111e+08 19 111111112 111111112 1.11111e+08 20 1111111168 1111111168 1.11111e+09 23 1111111168 1111111168 1.11111e+09 24 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) as max_value, sum(c1) as sum, avg(c1) as avg FROM t1; total_rows min_value max_value sum avg 7 0.00000 100000.00000 212446.05000 30349.435714722 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) as max_value, sum(c2) as sum, avg(c2) as avg FROM t1; total_rows min_value max_value sum avg 7 -100000.00000 100000.00000 -99.15000 -16.525000509 SELECT count(*) as total_rows, min(c3) as min_value, max(c3) as max_value, sum(c3) as sum, avg(c3) as avg FROM t1; total_rows min_value max_value sum avg 7 -0.100000001490116 111111112 111211212.950003 18535202.1583338 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) as max_value, sum(c1) as sum, avg(c1) as avg FROM t2; total_rows min_value max_value sum avg 30 -10000000000 10000000000 31322222339 1044074077.9667 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) as max_value, sum(c2) as sum, avg(c2) as avg FROM t2; total_rows min_value max_value sum avg 30 0 10000000000 43444444564 1448148152.1333 SELECT count(*) as total_rows, min(c3) as min_value, max(c3) as max_value, sum(c3) as sum, avg(c3) as avg FROM t2; total_rows min_value max_value sum avg 30 -3.40282346638529e+38 3.40282346638529e+38 1.02084703991559e+39 3.40282346638529e+37 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 12345.00000 NULL NULL NULL SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t1; total_rows min_value max(c1) 7 0.00000 100000.00000 SELECT * FROM t1 WHERE c3 = '0.0'; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 100000.00000 -100000.00000 100000.00000 100000.00000 12345.00000 NULL SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00000 NULL 100000.00000 100000.00000 100000.00000 -100000.00000 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 12345.00000 NULL NULL NULL SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t1; total_rows min_value max(c1) 7 0.00000 100000.00000 SELECT * FROM t1 WHERE c3 = '-0.0'; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 100000.00000 -100000.00000 100000.00000 100000.00000 12345.00000 NULL SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00000 NULL 100000.00000 100000.00000 100000.00000 -100000.00000 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00000 NULL NULL NULL 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 12345.00000 NULL NULL NULL SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t1; total_rows min_value max(c2) 7 -100000.00000 100000.00000 SELECT * FROM t1 WHERE c3 = '-0.0'; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 100000.00000 -100000.00000 100000.00000 100000.00000 12345.00000 NULL SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00000 NULL 100000.00000 100000.00000 100000.00000 -100000.00000 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 -100000.00000 100000 5 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 100000.00000 1.11111e+08 19 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 12345.00000 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 100000.00000 100000.00000 1.11111e+08 19 100000.00000 -100000.00000 100000 5 SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT c1 FROM t1 GROUP BY c1; c1 0.00000 1.00000 100.05000 100000.00000 12345.00000 SELECT DISTINCT c1 FROM t1; c1 0.00000 1.00000 100.05000 100000.00000 12345.00000 SELECT c1,MIN(c2) FROM t1 GROUP BY c1; c1 MIN(c2) 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 100000.00000 -100000.00000 12345.00000 NULL CREATE TABLE t5(c1 FLOAT(23,0) UNSIGNED NOT NULL, c2 FLOAT(23,0) SIGNED NULL, c3 FLOAT, c4 INT, INDEX idx(c1,c2)); INSERT INTO t5 VALUES('1e+22','-1e+22','1e+22',1),('1e-22','-1e-22','1e-22',2); SELECT * FROM t5; ALTER TABLE t5 CHANGE c1 c1 FLOAT(24,0) SIGNED NOT NULL, CHANGE c2 c2 FLOAT(24,0) UNSIGNED NULL; Warnings: Warning 1264 Out of range value for column 'c2' at row 1 INSERT INTO t5 VALUES('-1e+23','1e+23','1e+23',3),('-1e-23','1e-23','1e-23',4); SELECT * FROM t5; ALTER TABLE t5 CHANGE c1 c1 FLOAT(53,0) UNSIGNED, CHANGE c2 c2 FLOAT(53,0) SIGNED; Warnings: Warning 1264 Out of range value for column 'c1' at row 3 INSERT INTO t5 VALUES('1e+52','-1e+52','1e+52',5),('1e-52','-1e-52','1e-52',6); Warnings: Warning 1264 Out of range value for column 'c3' at row 1 INSERT INTO t5 VALUES('1e+53','-1e+53','1e+53',7),('1e-53','-1e-53','1e-53',8); Warnings: Warning 1264 Out of range value for column 'c3' at row 1 SELECT * FROM t5; c1 c2 c3 c4 # # 0 6 # # 0 8 # # 1e+22 1 # # 1e+23 3 # # 1e-22 2 # # 1e-23 4 # # 3.40282e+38 5 # # 3.40282e+38 7 DROP TABLE t5; CREATE TABLE t5(c1 FLOAT(16,6), c2 tinyint); INSERT INTO t5 VALUES(1.1325,3); SELECT ROUND(c1,c2),TRUNCATE(c1,c2) FROM t5; ROUND(c1,c2) TRUNCATE(c1,c2) 1.133000 1.132000 DROP TABLE t5; CREATE TABLE t7(c1 FLOAT(5,10)); ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'c1'). DROP TABLE t1,t2; CREATE TABLE t1(c1 DOUBLE(10,5) UNSIGNED NOT NULL, c2 DOUBLE(10,5) SIGNED NULL, c3 DOUBLE, c4 INT, UNIQUE INDEX idx(c1,c2)); CREATE TABLE t2(c1 DOUBLE(10,0) SIGNED NOT NULL, c2 DOUBLE(10,0) UNSIGNED NULL, c3 DOUBLE, c4 INT); INSERT INTO t1 VALUES('00100.05000','-00100.05000','00100.05000',1); INSERT INTO t2 VALUES('-1000000000','1000000000','1000000000',2); INSERT INTO t1(c1) VALUES('12345.000009'); INSERT INTO t1 VALUES('99999.99999','-99999.99999','99999.99999',3); INSERT INTO t2 VALUES('-9999999999','-9999999999','9999999999',4); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 SELECT * FROM t1; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 99999.99999 3 INSERT INTO t1 VALUES('100000.000002','-100000.000002','100000.000002',5); ERROR 23000: Duplicate entry '99999.99999--99999.99999' for key 'idx' DELETE FROM t1 WHERE c1='99999.99999' AND c2='-99999.99999'; INSERT INTO t1 VALUES('100000.000002','-100000.000002','100000.000002',5); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 INSERT INTO t2 VALUES('10000000000','-10000000000','10000000000',6); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 insert into t1 values ("0.0","0.0","0.0",7),("01.0","01.0","01.0",10); insert into t1 values ("-.1","-.1","-.1",13); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 insert into t1 values ("+111111111.11","+111111111.11","+111111111.11",19); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 insert into t2 values ("0.0","0.0","0.0",7),("-0.0","-0.0","-0.0",8),("+0.0","+0.0","+0.0",9),("01.0","01.0","01.0",10),("+01.0","+01.0","+01.0",11),("-01.0","-01.0","-01.0",12); Warnings: Warning 1264 Out of range value for column 'c2' at row 6 insert into t2 values ("-.1","-.1","-.1",13),("+.1","+.1","+.1",14),(".1",".1",".1",15); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 insert into t2 values ("00000000000001","00000000000001","00000000000001",16),("+0000000000001","+0000000000001","+0000000000001",17),("-0000000000001","-0000000000001","-0000000000001",18); Warnings: Warning 1264 Out of range value for column 'c2' at row 3 insert into t2 values ("+111111111.11","+111111111.11","+111111111.11",19),("111111111.11","111111111.11","111111111.11",20),("-11111111.11","-11111111.11","-11111111.11",21); Warnings: Warning 1264 Out of range value for column 'c2' at row 3 insert into t2 values ("-111111111.11","-111111111.11","-111111111.11",22),("+1111111111.11","+1111111111.11","+1111111111.11",23),("1111111111.11","1111111111.11","1111111111.11",24); Warnings: Warning 1264 Out of range value for column 'c2' at row 1 insert into t2 values ("1e+1000","1e+1000","1e+1000",25),("1e-1000","1e-1000","1e-1000",26),("-1e+1000","-1e+1000","-1e+1000",27); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c1' at row 3 Warning 1264 Out of range value for column 'c1' at row 3 Warning 1264 Out of range value for column 'c2' at row 3 Warning 1264 Out of range value for column 'c2' at row 3 Warning 1264 Out of range value for column 'c3' at row 3 insert into t2 values ("1e+4294967296","1e+4294967296","1e+4294967296",28),("1e-4294967296","1e-4294967296","1e-4294967296",29); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 insert into t2 values ("1e+18446744073709551615","1e+18446744073709551615","1e+18446744073709551615",30),("1e+18446744073709551616","1e+18446744073709551616","1e+18446744073709551616",31),("1e-9223372036854775807","1e-9223372036854775807","1e-9223372036854775807",32),("1e-9223372036854775809","1e-9223372036854775809","1e-9223372036854775809",33); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c3' at row 1 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c3' at row 2 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t2; c1 c2 c3 c4 -1 0 -1 12 -1 0 -1 18 -1000000000 1000000000 1000000000 2 -11111111 0 -11111111.11 21 -111111111 0 -111111111.11 22 -9999999999 0 -1.79769313486232e+308 27 -9999999999 0 9999999999 4 0 0 -0 8 0 0 -0.1 13 0 0 0 26 0 0 0 29 0 0 0 32 0 0 0 33 0 0 0 7 0 0 0 9 0 0 0.1 14 0 0 0.1 15 1 1 1 10 1 1 1 11 1 1 1 16 1 1 1 17 111111111 111111111 111111111.11 19 111111111 111111111 111111111.11 20 1111111111 1111111111 1111111111.11 23 1111111111 1111111111 1111111111.11 24 9999999999 0 10000000000 6 9999999999 9999999999 1.79769313486232e+308 25 9999999999 9999999999 1.79769313486232e+308 28 9999999999 9999999999 1.79769313486232e+308 30 9999999999 9999999999 1.79769313486232e+308 31 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) as max_value, sum(c1) as sum, avg(c1) as avg FROM t1; total_rows min_value max_value sum avg 7 0.00000 99999.99999 212446.04999 30349.435712857 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) as max_value, sum(c2) as sum, avg(c2) as avg FROM t1; total_rows min_value max_value sum avg 7 -99999.99999 99999.99999 -99.15000 -16.525000000 SELECT count(*) as total_rows, min(c3) as min_value, max(c3) as max_value, sum(c3) as sum, avg(c3) as avg FROM t1; total_rows min_value max_value sum avg 7 -0.1 111111111.11 111211212.060002 18535202.0100003 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) as max_value, sum(c1) as sum, avg(c1) as avg FROM t2; total_rows min_value max_value sum avg 30 -9999999999 9999999999 31322222221 1044074074.0333 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) as max_value, sum(c2) as sum, avg(c2) as avg FROM t2; total_rows min_value max_value sum avg 30 0 9999999999 43444444444 1448148148.1333 SELECT count(*) as total_rows, min(c3) as min_value, max(c3) as max_value, sum(c3) as sum, avg(c3) as avg FROM t2; total_rows min_value max_value sum avg 30 -1.79769313486232e+308 1.79769313486232e+308 inf inf SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t1; total_rows min_value max(c1) 7 0.00000 99999.99999 SELECT * FROM t1 WHERE c3 = '0.0'; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 99999.99999 99999.99999 SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 99999.99999 99999.99999 -99999.99999 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 = '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 <> '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 > '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 >= '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 < '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <= '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <=> '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 BETWEEN '0.0' AND '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 IN ('0.0','99999.99999') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 >= '0.0' AND c1 < '99999.99999' AND c2 = '1.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1.00000 1.00000 1 10 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t1; total_rows min_value max(c1) 7 0.00000 99999.99999 SELECT * FROM t1 WHERE c3 = '-0.0'; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 99999.99999 99999.99999 SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 99999.99999 99999.99999 -99999.99999 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 <> '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 > '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 >= '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 < '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 <= '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 <=> '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 BETWEEN '100.05' AND '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 DESC; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 IN ('100.05','99999.99999') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 >= '100.05' AND c1 < '99999.99999' AND c2 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 12345.00001 NULL NULL NULL 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t1; total_rows min_value max(c2) 7 -99999.99999 99999.99999 SELECT * FROM t1 WHERE c3 = '-0.0'; c1 c2 c3 c4 0.00000 0.00000 0 7 SELECT c1,c2 FROM t1; c1 c2 0.00000 -0.10000 0.00000 0.00000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 99999.99999 99999.99999 SELECT c1,c2 FROM t1 ORDER BY c1,c2 DESC; c1 c2 0.00000 0.00000 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 99999.99999 99999.99999 -99999.99999 SELECT * FROM t1 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 = '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 100.05000 -100.05000 100.05 1 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 -99999.99999 100000.000002 5 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0.00000 -0.10000 -0.1 13 0.00000 0.00000 0 7 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c2 <> '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 SELECT * FROM t1 WHERE c2 > '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 < '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <= '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 <=> '-99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 100.05000 -100.05000 100.05 1 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 BETWEEN '-99999.99999' AND '0.0' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 IN ('-99999.99999','0.0') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 >= '-99999.99999' AND c2 < '0.0' AND c1 = '99999.99999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 12345.00001 NULL NULL NULL SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 1.00000 1.00000 1 10 100.05000 -100.05000 100.05 1 99999.99999 99999.99999 111111111.11 19 99999.99999 -99999.99999 100000.000002 5 SELECT * FROM t1 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0.00000 0.00000 0 7 0.00000 -0.10000 -0.1 13 SELECT c1 FROM t1 GROUP BY c1; c1 0.00000 1.00000 100.05000 12345.00001 99999.99999 SELECT DISTINCT c1 FROM t1; c1 0.00000 1.00000 100.05000 12345.00001 99999.99999 SELECT c1,MIN(c2) FROM t1 GROUP BY c1; c1 MIN(c2) 0.00000 -0.10000 1.00000 1.00000 100.05000 -100.05000 12345.00001 NULL 99999.99999 -99999.99999 CREATE TABLE t5(c1 DOUBLE(23,0) UNSIGNED NOT NULL, c2 DOUBLE(23,0) SIGNED NULL, c3 DOUBLE, c4 INT, INDEX idx(c1,c2)); INSERT INTO t5 VALUES('1e+22','-1e+22','1e+22',1),('1e-22','-1e-22','1e-22',2); SELECT * FROM t5; c1 c2 c3 c4 0 0 1e-22 2 10000000000000000000000 -10000000000000000000000 1e+22 1 ALTER TABLE t5 CHANGE c1 c1 DOUBLE(24,0) SIGNED NOT NULL, CHANGE c2 c2 DOUBLE(24,0) UNSIGNED NULL; Warnings: Warning 1264 Out of range value for column 'c2' at row 1 INSERT INTO t5 VALUES('-1e+23','1e+23','1e+23',3),('-1e-23','1e-23','1e-23',4); SELECT * FROM t5; ALTER TABLE t5 CHANGE c1 c1 DOUBLE(53,0) UNSIGNED, CHANGE c2 c2 DOUBLE(53,0) SIGNED; Warnings: Warning 1264 Out of range value for column 'c1' at row 3 INSERT INTO t5 VALUES('1e+52','-1e+52','1e+52',5),('1e-52','-1e-52','1e-52',6); INSERT INTO t5 VALUES('1e+53','-1e+53','1e+53',7),('1e-53','-1e-53','1e-53',8); SELECT * FROM t5; DROP TABLE t5; CREATE TABLE t5(c1 DOUBLE(16,6), c2 tinyint); INSERT INTO t5 VALUES(1.1325,3); SELECT ROUND(c1,c2),TRUNCATE(c1,c2) FROM t5; ROUND(c1,c2) TRUNCATE(c1,c2) 1.132000 1.132000 DROP TABLE t5; CREATE TABLE t7(c1 DOUBLE(5,10)); ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'c1'). DROP TABLE t1,t2;