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drop table if exists `T1`;
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drop table if exists `T2`;
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drop table if exists `T3`;
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drop table if exists `T4`;
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drop table if exists `T5`;
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drop table if exists `T6`;
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drop table if exists `T7`;
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drop table if exists `T8`;
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drop table if exists `T9`;
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SET character_set_database = utf8;
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CREATE TABLE `T1a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T1b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T2a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T2b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T3a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T3b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T4a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T4b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T5a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T5b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T6a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T6b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T7a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = MEMORY;
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CREATE TABLE `T7b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = MEMORY;
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CREATE TABLE `T8a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = MEMORY;
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CREATE TABLE `T8b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = MEMORY;
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CREATE TABLE `T9a` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = MEMORY;
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CREATE TABLE `T9b` (`C1` char(1) PRIMARY KEY) DEFAULT CHARSET = utf8 engine = MEMORY;
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INSERT INTO `T1a` VALUES ('ア'),('カ'),('サ');
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INSERT INTO `T1b` VALUES ('ア');
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INSERT INTO `T2a` VALUES ('あ'),('か'),('さ');
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INSERT INTO `T2b` VALUES ('あ');
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INSERT INTO `T3a` VALUES ('龔'),('龖'),('龗');
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INSERT INTO `T3b` VALUES ('龔');
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INSERT INTO `T4a` VALUES ('ア'),('カ'),('サ');
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INSERT INTO `T4b` VALUES ('ア');
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INSERT INTO `T5a` VALUES ('あ'),('か'),('さ');
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INSERT INTO `T5b` VALUES ('あ');
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INSERT INTO `T6a` VALUES ('龔'),('龖'),('龗');
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INSERT INTO `T6b` VALUES ('龔');
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INSERT INTO `T7a` VALUES ('ア'),('カ'),('サ');
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INSERT INTO `T7b` VALUES ('ア');
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INSERT INTO `T8a` VALUES ('あ'),('か'),('さ');
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INSERT INTO `T8b` VALUES ('あ');
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INSERT INTO `T9a` VALUES ('龔'),('龖'),('龗');
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INSERT INTO `T9b` VALUES ('龔');
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SELECT `C1` FROM `T1a` WHERE `C1` IN (SELECT `C1` FROM `T1b`);
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SELECT `C1` FROM `T1a` WHERE EXISTS (SELECT `C1` FROM `T1b` WHERE `T1a`.`C1` = `T1b`.`C1`);
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SELECT `C1` FROM `T1a` WHERE NOT EXISTS (SELECT `C1` FROM `T1b` WHERE `T1a`.`C1` = `T1b`.`C1`);
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SELECT `C1` FROM `T2a` WHERE `C1` IN (SELECT `C1` FROM `T2b`);
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SELECT `C1` FROM `T2a` WHERE EXISTS (SELECT `C1` FROM `T2b` WHERE `T2a`.`C1` = `T2b`.`C1`);
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SELECT `C1` FROM `T2a` WHERE NOT EXISTS (SELECT `C1` FROM `T2b` WHERE `T2a`.`C1` = `T2b`.`C1`);
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SELECT `C1` FROM `T3a` WHERE `C1` IN (SELECT `C1` FROM `T3b`);
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SELECT `C1` FROM `T3a` WHERE EXISTS (SELECT `C1` FROM `T3b` WHERE `T3a`.`C1` = `T3b`.`C1`);
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SELECT `C1` FROM `T3a` WHERE NOT EXISTS (SELECT `C1` FROM `T3b` WHERE `T3a`.`C1` = `T3b`.`C1`);
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SELECT `C1` FROM `T4a` WHERE `C1` IN (SELECT `C1` FROM `T4b`);
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SELECT `C1` FROM `T4a` WHERE EXISTS (SELECT `C1` FROM `T4b` WHERE `T4a`.`C1` = `T4b`.`C1`);
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SELECT `C1` FROM `T4a` WHERE NOT EXISTS (SELECT `C1` FROM `T4b` WHERE `T4a`.`C1` = `T4b`.`C1`);
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SELECT `C1` FROM `T5a` WHERE `C1` IN (SELECT `C1` FROM `T5b`);
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SELECT `C1` FROM `T5a` WHERE EXISTS (SELECT `C1` FROM `T5b` WHERE `T5a`.`C1` = `T5b`.`C1`);
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SELECT `C1` FROM `T5a` WHERE NOT EXISTS (SELECT `C1` FROM `T5b` WHERE `T5a`.`C1` = `T5b`.`C1`);
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SELECT `C1` FROM `T6a` WHERE `C1` IN (SELECT `C1` FROM `T6b`);
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SELECT `C1` FROM `T6a` WHERE EXISTS (SELECT `C1` FROM `T6b` WHERE `T6a`.`C1` = `T6b`.`C1`);
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SELECT `C1` FROM `T6a` WHERE NOT EXISTS (SELECT `C1` FROM `T6b` WHERE `T6a`.`C1` = `T6b`.`C1`);
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SELECT `C1` FROM `T7a` WHERE `C1` IN (SELECT `C1` FROM `T7b`);
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SELECT `C1` FROM `T7a` WHERE EXISTS (SELECT `C1` FROM `T7b` WHERE `T7a`.`C1` = `T7b`.`C1`);
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SELECT `C1` FROM `T7a` WHERE NOT EXISTS (SELECT `C1` FROM `T7b` WHERE `T7a`.`C1` = `T7b`.`C1`);
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SELECT `C1` FROM `T8a` WHERE `C1` IN (SELECT `C1` FROM `T8b`);
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SELECT `C1` FROM `T8a` WHERE EXISTS (SELECT `C1` FROM `T8b` WHERE `T8a`.`C1` = `T8b`.`C1`);
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SELECT `C1` FROM `T8a` WHERE NOT EXISTS (SELECT `C1` FROM `T8b` WHERE `T8a`.`C1` = `T8b`.`C1`);
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SELECT `C1` FROM `T9a` WHERE `C1` IN (SELECT `C1` FROM `T9b`);
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SELECT `C1` FROM `T9a` WHERE EXISTS (SELECT `C1` FROM `T9b` WHERE `T9a`.`C1` = `T9b`.`C1`);
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SELECT `C1` FROM `T9a` WHERE NOT EXISTS (SELECT `C1` FROM `T9b` WHERE `T9a`.`C1` = `T9b`.`C1`);