DROP TABLE IF EXISTS m2; CREATE TABLE m2(c1 CHAR(1) NULL, c2 CHAR(5) NOT NULL, c3 CHAR(255) NULL, c4 CHAR(4) NOT NULL PRIMARY KEY, c5 CHAR(30) NOT NULL UNIQUE KEY); SHOW TABLES; Tables_in_test m2 SHOW CREATE TABLE m2; Table Create Table m2 CREATE TABLE `m2` ( `c1` char(1) DEFAULT NULL, `c2` char(5) NOT NULL, `c3` char(255) DEFAULT NULL, `c4` char(4) NOT NULL, `c5` char(30) NOT NULL, PRIMARY KEY (`c4`), UNIQUE KEY `c5` (`c5`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE m2; SHOW TABLES; Tables_in_test CREATE TABLE m2(c1 VARCHAR(1) NULL, c2 VARCHAR(5) NOT NULL, c3 VARCHAR(255) NULL, c4 VARCHAR(4) NOT NULL PRIMARY KEY, c5 VARCHAR(30) NOT NULL UNIQUE KEY); SHOW TABLES; Tables_in_test m2 SHOW CREATE TABLE m2; Table Create Table m2 CREATE TABLE `m2` ( `c1` varchar(1) DEFAULT NULL, `c2` varchar(5) NOT NULL, `c3` varchar(255) DEFAULT NULL, `c4` varchar(4) NOT NULL, `c5` varchar(30) NOT NULL, PRIMARY KEY (`c4`), UNIQUE KEY `c5` (`c5`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE m2; SHOW TABLES; Tables_in_test CREATE TABLE m2(c1 BINARY(1) NULL, c2 BINARY(5) NOT NULL, c3 BINARY(255) NULL, c4 BINARY(4) NOT NULL PRIMARY KEY, c5 BINARY(30) NOT NULL UNIQUE KEY); SHOW TABLES; Tables_in_test m2 SHOW CREATE TABLE m2; Table Create Table m2 CREATE TABLE `m2` ( `c1` binary(1) DEFAULT NULL, `c2` binary(5) NOT NULL, `c3` binary(255) DEFAULT NULL, `c4` binary(4) NOT NULL, `c5` binary(30) NOT NULL, PRIMARY KEY (`c4`), UNIQUE KEY `c5` (`c5`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE m2; SHOW TABLES; Tables_in_test CREATE TABLE m2(c1 VARBINARY(1) NULL, c2 VARBINARY(5) NOT NULL, c3 VARBINARY(255) NULL, c4 VARBINARY(4) NOT NULL PRIMARY KEY, c5 VARBINARY(30) NOT NULL UNIQUE KEY); SHOW TABLES; Tables_in_test m2 SHOW CREATE TABLE m2; Table Create Table m2 CREATE TABLE `m2` ( `c1` varbinary(1) DEFAULT NULL, `c2` varbinary(5) NOT NULL, `c3` varbinary(255) DEFAULT NULL, `c4` varbinary(4) NOT NULL, `c5` varbinary(30) NOT NULL, PRIMARY KEY (`c4`), UNIQUE KEY `c5` (`c5`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE m2; SHOW TABLES; Tables_in_test