DROP TABLE IF EXISTS t1; CREATE TABLE t1(c1 BIT NOT NULL, c2 BIT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` bit(1) NOT NULL, `c2` bit(1) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` bit(1) NOT NULL, `c2` bit(1) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 TINYINT NOT NULL, c2 TINYINT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` tinyint(4) NOT NULL, `c2` tinyint(4) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` tinyint(4) NOT NULL, `c2` tinyint(4) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 SMALLINT NOT NULL, c2 SMALLINT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` smallint(6) NOT NULL, `c2` smallint(6) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` smallint(6) NOT NULL, `c2` smallint(6) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 MEDIUMINT NOT NULL, c2 MEDIUMINT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` mediumint(9) NOT NULL, `c2` mediumint(9) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` mediumint(9) NOT NULL, `c2` mediumint(9) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 INT NOT NULL, c2 INT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 INTEGER NOT NULL, c2 INTEGER NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` int(11) NOT NULL, `c2` int(11) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BIGINT NOT NULL, c2 BIGINT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` bigint(20) NOT NULL, `c2` bigint(20) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` bigint(20) NOT NULL, `c2` bigint(20) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 REAL NOT NULL, c2 REAL NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` double NOT NULL, `c2` double NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` double NOT NULL, `c2` double NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 DOUBLE NOT NULL, c2 DOUBLE NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` double NOT NULL, `c2` double NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` double NOT NULL, `c2` double NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 FLOAT NOT NULL, c2 FLOAT NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` float NOT NULL, `c2` float NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` float NOT NULL, `c2` float NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 DECIMAL NOT NULL, c2 DECIMAL NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` decimal(10,0) NOT NULL, `c2` decimal(10,0) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` decimal(10,0) NOT NULL, `c2` decimal(10,0) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 NUMERIC NOT NULL, c2 NUMERIC NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` decimal(10,0) NOT NULL, `c2` decimal(10,0) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` decimal(10,0) NOT NULL, `c2` decimal(10,0) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 DATE NOT NULL, c2 DATE NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` date NOT NULL, `c2` date NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` date NOT NULL, `c2` date NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` time NOT NULL, `c2` time NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` time NOT NULL, `c2` time NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 TIMESTAMP NOT NULL, c2 TIMESTAMP NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `c2` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `c2` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00', PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 YEAR NOT NULL, c2 YEAR NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` year(4) NOT NULL, `c2` year(4) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD PRIMARY KEY (c1,c2); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` year(4) NOT NULL, `c2` year(4) NOT NULL, PRIMARY KEY (`c1`,`c2`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test