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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`;
SET NAMES sjis;
SET character_set_database = sjis;
CREATE TABLE `sP` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = innodb;
CREATE TABLE `sQ` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = innodb;
CREATE TABLE `sR` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = innodb;
CREATE TABLE `sS` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = myisam;
CREATE TABLE `sT` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = myisam;
CREATE TABLE `sU` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = myisam;
CREATE TABLE `sV` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = MEMORY;
CREATE TABLE `sW` (`bP` char(5), INDEX(`bP`)) DEFAULT CHARSET = sjis engine = MEMORY;
CREATE TABLE `sX` (`bP` char(5), 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 `bP`, LENGTH(`bP`) FROM `sP`;
bP LENGTH(`bP`)
0
1
2
3
4
5
SELECT `bP`, LENGTH(`bP`) FROM `sQ`;
bP LENGTH(`bP`)
0
2
4
6
8
10
SELECT `bP`, LENGTH(`bP`) FROM `sR`;
bP LENGTH(`bP`)
0
\ 2
\\ 4
\\\ 6
\\\\ 8
\\\\\ 10
SELECT `bP`, LENGTH(`bP`) FROM `sS`;
bP LENGTH(`bP`)
0
1
2
3
4
5
SELECT `bP`, LENGTH(`bP`) FROM `sT`;
bP LENGTH(`bP`)
0
2
4
6
8
10
SELECT `bP`, LENGTH(`bP`) FROM `sU`;
bP LENGTH(`bP`)
0
\ 2
\\ 4
\\\ 6
\\\\ 8
\\\\\ 10
SELECT `bP`, LENGTH(`bP`) FROM `sV`;
bP LENGTH(`bP`)
5
4
3
2
1
0
SELECT `bP`, LENGTH(`bP`) FROM `sW`;
bP LENGTH(`bP`)
10
8
6
4
2
0
SELECT `bP`, LENGTH(`bP`) FROM `sX`;
bP LENGTH(`bP`)
\\\\\ 10
\\\\ 8
\\\ 6
\\ 4
\ 2
0
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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