1
drop table if exists `T1`;
2
drop table if exists `T2`;
3
drop table if exists `T3`;
4
drop table if exists `T4`;
5
drop table if exists `T5`;
6
drop table if exists `T6`;
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drop table if exists `T7`;
8
drop table if exists `T8`;
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drop table if exists `T9`;
11
SET character_set_database = utf8;
12
CREATE TABLE `T1` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T2` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = innodb;
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CREATE TABLE `T3` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = innodb;
15
CREATE TABLE `T4` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T5` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = myisam;
17
CREATE TABLE `T6` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = myisam;
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CREATE TABLE `T7` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = MEMORY;
19
CREATE TABLE `T8` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = MEMORY;
20
CREATE TABLE `T9` (`C1` char(5), INDEX(`C1`)) DEFAULT CHARSET = utf8 engine = MEMORY;
21
INSERT INTO `T1` VALUES ('アイウエオ'),('アイウエ'),('アイウ'),('アイ'),('ア'),('');
22
INSERT INTO `T2` VALUES ('あいうえお'),('あいうえ'),('あいう'),('あい'),('あ'),('');
23
INSERT INTO `T3` VALUES ('龔龖龗龞龡'),('龔龖龗龞'),('龔龖龗'),('龔龖'),('龔'),('');
24
INSERT INTO `T4` VALUES ('アイウエオ'),('アイウエ'),('アイウ'),('アイ'),('ア'),('');
25
INSERT INTO `T5` VALUES ('あいうえお'),('あいうえ'),('あいう'),('あい'),('あ'),('');
26
INSERT INTO `T6` VALUES ('龔龖龗龞龡'),('龔龖龗龞'),('龔龖龗'),('龔龖'),('龔'),('');
27
INSERT INTO `T7` VALUES ('アイウエオ'),('アイウエ'),('アイウ'),('アイ'),('ア'),('');
28
INSERT INTO `T8` VALUES ('あいうえお'),('あいうえ'),('あいう'),('あい'),('あ'),('');
29
INSERT INTO `T9` VALUES ('龔龖龗龞龡'),('龔龖龗龞'),('龔龖龗'),('龔龖'),('龔'),('');
30
SELECT `C1`, LEFT(`C1`,0) FROM `T1`;
38
SELECT `C1`, LEFT(`C1`,1) FROM `T1`;
46
SELECT `C1`, LEFT(`C1`,2) FROM `T1`;
54
SELECT `C1`, LEFT(`C1`,3) FROM `T1`;
62
SELECT `C1`, LEFT(`C1`,4) FROM `T1`;
70
SELECT `C1`, LEFT(`C1`,5) FROM `T1`;
78
SELECT `C1`, LEFT(`C1`,0) FROM `T2`;
86
SELECT `C1`, LEFT(`C1`,1) FROM `T2`;
94
SELECT `C1`, LEFT(`C1`,2) FROM `T2`;
102
SELECT `C1`, LEFT(`C1`,3) FROM `T2`;
110
SELECT `C1`, LEFT(`C1`,4) FROM `T2`;
118
SELECT `C1`, LEFT(`C1`,5) FROM `T2`;
126
SELECT `C1`, LEFT(`C1`,0) FROM `T3`;
134
SELECT `C1`, LEFT(`C1`,1) FROM `T3`;
142
SELECT `C1`, LEFT(`C1`,2) FROM `T3`;
150
SELECT `C1`, LEFT(`C1`,3) FROM `T3`;
158
SELECT `C1`, LEFT(`C1`,4) FROM `T3`;
166
SELECT `C1`, LEFT(`C1`,5) FROM `T3`;
174
SELECT `C1`, LEFT(`C1`,0) FROM `T4`;
182
SELECT `C1`, LEFT(`C1`,1) FROM `T4`;
190
SELECT `C1`, LEFT(`C1`,2) FROM `T4`;
198
SELECT `C1`, LEFT(`C1`,3) FROM `T4`;
206
SELECT `C1`, LEFT(`C1`,4) FROM `T4`;
214
SELECT `C1`, LEFT(`C1`,5) FROM `T4`;
222
SELECT `C1`, LEFT(`C1`,0) FROM `T5`;
230
SELECT `C1`, LEFT(`C1`,1) FROM `T5`;
238
SELECT `C1`, LEFT(`C1`,2) FROM `T5`;
246
SELECT `C1`, LEFT(`C1`,3) FROM `T5`;
254
SELECT `C1`, LEFT(`C1`,4) FROM `T5`;
262
SELECT `C1`, LEFT(`C1`,5) FROM `T5`;
270
SELECT `C1`, LEFT(`C1`,0) FROM `T6`;
278
SELECT `C1`, LEFT(`C1`,1) FROM `T6`;
286
SELECT `C1`, LEFT(`C1`,2) FROM `T6`;
294
SELECT `C1`, LEFT(`C1`,3) FROM `T6`;
302
SELECT `C1`, LEFT(`C1`,4) FROM `T6`;
310
SELECT `C1`, LEFT(`C1`,5) FROM `T6`;
318
SELECT `C1`, LEFT(`C1`,0) FROM `T7`;
326
SELECT `C1`, LEFT(`C1`,1) FROM `T7`;
334
SELECT `C1`, LEFT(`C1`,2) FROM `T7`;
342
SELECT `C1`, LEFT(`C1`,3) FROM `T7`;
350
SELECT `C1`, LEFT(`C1`,4) FROM `T7`;
358
SELECT `C1`, LEFT(`C1`,5) FROM `T7`;
366
SELECT `C1`, LEFT(`C1`,0) FROM `T8`;
374
SELECT `C1`, LEFT(`C1`,1) FROM `T8`;
382
SELECT `C1`, LEFT(`C1`,2) FROM `T8`;
390
SELECT `C1`, LEFT(`C1`,3) FROM `T8`;
398
SELECT `C1`, LEFT(`C1`,4) FROM `T8`;
406
SELECT `C1`, LEFT(`C1`,5) FROM `T8`;
414
SELECT `C1`, LEFT(`C1`,0) FROM `T9`;
422
SELECT `C1`, LEFT(`C1`,1) FROM `T9`;
430
SELECT `C1`, LEFT(`C1`,2) FROM `T9`;
438
SELECT `C1`, LEFT(`C1`,3) FROM `T9`;
446
SELECT `C1`, LEFT(`C1`,4) FROM `T9`;
454
SELECT `C1`, LEFT(`C1`,5) FROM `T9`;