DROP TABLE IF EXISTS t1; CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `c1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `cst1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE KEY i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 CHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` char(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARCHAR(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varchar(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 BINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` binary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test CREATE TABLE t1(c1 VARBINARY(30) NOT NULL); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL ) ENGINE=ENGINE DEFAULT CHARSET=latin1 ALTER TABLE t1 ADD CONSTRAINT cst1 UNIQUE INDEX i1 (c1); SHOW TABLES; Tables_in_test t1 SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `c1` varbinary(30) NOT NULL, UNIQUE KEY `i1` (`c1`) ) ENGINE=ENGINE DEFAULT CHARSET=latin1 DROP TABLE t1; SHOW TABLES; Tables_in_test