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drop table if exists `sP`;
drop table if exists `sQ`;
drop table if exists `sR`;
drop table if exists `sS`;
drop table if exists `sT`;
drop table if exists `sU`;
drop table if exists `sV`;
drop table if exists `sW`;
drop table if exists `sX`;
drop table if exists t1;
SET NAMES sjis;
SET character_set_database = sjis;
CREATE TABLE `sP` (`bP` ENUM('','',''), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = innodb;
CREATE TABLE `sQ` (`bP` ENUM('','',''), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = innodb;
CREATE TABLE `sR` (`bP` ENUM('\','\','\'), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = innodb;
CREATE TABLE `sS` (`bP` ENUM('','',''), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = myisam;
CREATE TABLE `sT` (`bP` ENUM('','',''), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = myisam;
CREATE TABLE `sU` (`bP` ENUM('\','\','\'), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = myisam;
CREATE TABLE `sV` (`bP` ENUM('','',''), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = MEMORY;
CREATE TABLE `sW` (`bP` ENUM('','',''), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = MEMORY;
CREATE TABLE `sX` (`bP` ENUM('\','\','\'), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = MEMORY;
INSERT INTO `sP` VALUES (''),(''),('');
INSERT INTO `sQ` VALUES (''),(''),('');
INSERT INTO `sR` VALUES ('\'),('\'),('\');
INSERT INTO `sS` VALUES (''),(''),('');
INSERT INTO `sT` VALUES (''),(''),('');
INSERT INTO `sU` VALUES ('\'),('\'),('\');
INSERT INTO `sV` VALUES (''),(''),('');
INSERT INTO `sW` VALUES (''),(''),('');
INSERT INTO `sX` VALUES ('\'),('\'),('\');
SELECT * FROM `sP`;
bP
SELECT * FROM `sQ`;
bP
SELECT * FROM `sR`;
bP
\
\
\
SELECT * FROM `sS`;
bP
SELECT * FROM `sT`;
bP
SELECT * FROM `sU`;
bP
\
\
\
SELECT * FROM `sV`;
bP
SELECT * FROM `sW`;
bP
SELECT * FROM `sX`;
bP
\
\
\
SHOW CREATE TABLE `sP`;
Table Create Table
sP CREATE TABLE `sP` (
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=InnoDB DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sQ`;
Table Create Table
sQ CREATE TABLE `sQ` (
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=InnoDB DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sR`;
Table Create Table
sR CREATE TABLE `sR` (
`bP` enum('\','\','\') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=InnoDB DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sS`;
Table Create Table
sS CREATE TABLE `sS` (
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MyISAM DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sT`;
Table Create Table
sT CREATE TABLE `sT` (
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MyISAM DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sU`;
Table Create Table
sU CREATE TABLE `sU` (
`bP` enum('\','\','\') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MyISAM DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sV`;
Table Create Table
sV CREATE TABLE `sV` (
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MEMORY DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sW`;
Table Create Table
sW CREATE TABLE `sW` (
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MEMORY DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sX`;
Table Create Table
sX CREATE TABLE `sX` (
`bP` enum('\','\','\') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MEMORY DEFAULT CHARSET=sjis
DESC `sP`;
Field Type Null Key Default Extra
bP enum('','','') YES MUL NULL
DESC `sQ`;
Field Type Null Key Default Extra
bP enum('','','') YES MUL NULL
DESC `sR`;
Field Type Null Key Default Extra
bP enum('\','\','\') YES MUL NULL
DESC `sS`;
Field Type Null Key Default Extra
bP enum('','','') YES MUL NULL
DESC `sT`;
Field Type Null Key Default Extra
bP enum('','','') YES MUL NULL
DESC `sU`;
Field Type Null Key Default Extra
bP enum('\','\','\') YES MUL NULL
DESC `sV`;
Field Type Null Key Default Extra
bP enum('','','') YES MUL NULL
DESC `sW`;
Field Type Null Key Default Extra
bP enum('','','') YES MUL NULL
DESC `sX`;
Field Type Null Key Default Extra
bP enum('\','\','\') YES MUL NULL
ALTER TABLE `sP` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sQ` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sR` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sS` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sT` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sU` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sV` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sW` ADD `bQ` CHAR(1) NOT NULL FIRST;
ALTER TABLE `sX` ADD `bQ` CHAR(1) NOT NULL FIRST;
SHOW CREATE TABLE `sP`;
Table Create Table
sP CREATE TABLE `sP` (
`bQ` char(1) NOT NULL,
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=InnoDB DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sQ`;
Table Create Table
sQ CREATE TABLE `sQ` (
`bQ` char(1) NOT NULL,
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=InnoDB DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sR`;
Table Create Table
sR CREATE TABLE `sR` (
`bQ` char(1) NOT NULL,
`bP` enum('\','\','\') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=InnoDB DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sS`;
Table Create Table
sS CREATE TABLE `sS` (
`bQ` char(1) NOT NULL,
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MyISAM DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sT`;
Table Create Table
sT CREATE TABLE `sT` (
`bQ` char(1) NOT NULL,
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MyISAM DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sU`;
Table Create Table
sU CREATE TABLE `sU` (
`bQ` char(1) NOT NULL,
`bP` enum('\','\','\') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MyISAM DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sV`;
Table Create Table
sV CREATE TABLE `sV` (
`bQ` char(1) NOT NULL,
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MEMORY DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sW`;
Table Create Table
sW CREATE TABLE `sW` (
`bQ` char(1) NOT NULL,
`bP` enum('','','') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MEMORY DEFAULT CHARSET=sjis
SHOW CREATE TABLE `sX`;
Table Create Table
sX CREATE TABLE `sX` (
`bQ` char(1) NOT NULL,
`bP` enum('\','\','\') DEFAULT NULL,
KEY `bP` (`bP`)
) ENGINE=MEMORY DEFAULT CHARSET=sjis
CREATE TABLE t1(c1 enum('S','s')) default character set = sjis;
INSERT INTO t1 VALUES('S'),('s');
SELECT * FROM t1 WHERE c1 LIKE 'S';
c1
S
DROP TABLE t1;
DESC `sP`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('','','') YES MUL NULL
DESC `sQ`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('','','') YES MUL NULL
DESC `sR`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('\','\','\') YES MUL NULL
DESC `sS`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('','','') YES MUL NULL
DESC `sT`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('','','') YES MUL NULL
DESC `sU`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('\','\','\') YES MUL NULL
DESC `sV`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('','','') YES MUL NULL
DESC `sW`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('','','') YES MUL NULL
DESC `sX`;
Field Type Null Key Default Extra
bQ char(1) NO NULL
bP enum('\','\','\') YES MUL NULL
DROP TABLE `sP`;
DROP TABLE `sQ`;
DROP TABLE `sR`;
DROP TABLE `sS`;
DROP TABLE `sT`;
DROP TABLE `sU`;
DROP TABLE `sV`;
DROP TABLE `sW`;
DROP TABLE `sX`;
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