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| --------------
SET AUTOCOMMIT = 0
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START TRANSACTION
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DROP DATABASE IF EXISTS `base`
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--------------
CREATE DATABASE IF NOT EXISTS `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `test1`
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CREATE TABLE `test1` (
`id` integer unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
`val` varchar(10) NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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INSERT INTO `test1` (`id`, `val`) VALUES
(25, 'bleu'),(75, 'rouge'),(255, 'vert'),(480, 'jaune')
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select * from test1
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+-----+-------+
| id | val |
+-----+-------+
| 25 | bleu |
| 75 | rouge |
| 255 | vert |
| 480 | jaune |
+-----+-------+
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DROP TABLE IF EXISTS `test2`
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CREATE TABLE `test2` (
`id` integer unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
`clef` integer unsigned NOT NULL,
`nuance` varchar(10) NOT NULL,
CONSTRAINT `FOREIGN` FOREIGN KEY (`clef`) REFERENCES `test1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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INSERT INTO `test2` (`clef`, `nuance`) VALUES
(25, 'marine'),(75, 'carmin'),(255, 'pomme'),(480, 'citron'),
(25, 'nuit'), (75, 'vif'), (255, 'émeraude' ), (480, 'pâle'),
(25, 'turquoise'), (25, 'cyan'), (255, 'olive')
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select * from test2
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+----+------+-----------+
| id | clef | nuance |
+----+------+-----------+
| 1 | 25 | marine |
| 2 | 75 | carmin |
| 3 | 255 | pomme |
| 4 | 480 | citron |
| 5 | 25 | nuit |
| 6 | 75 | vif |
| 7 | 255 | émeraude |
| 8 | 480 | pâle |
| 9 | 25 | turquoise |
| 10 | 25 | cyan |
| 11 | 255 | olive |
+----+------+-----------+
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update `test1`, (select @x:=0) as x set id = (@x:=@x+1)
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ALTER TABLE `test1` AUTO_INCREMENT=10
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select * from test1
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+----+-------+
| id | val |
+----+-------+
| 1 | bleu |
| 2 | rouge |
| 3 | vert |
| 4 | jaune |
+----+-------+
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select * from test2
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+----+------+-----------+
| id | clef | nuance |
+----+------+-----------+
| 1 | 1 | marine |
| 2 | 2 | carmin |
| 3 | 3 | pomme |
| 4 | 4 | citron |
| 5 | 1 | nuit |
| 6 | 2 | vif |
| 7 | 3 | émeraude |
| 8 | 4 | pâle |
| 9 | 1 | turquoise |
| 10 | 1 | cyan |
| 11 | 3 | olive |
+----+------+-----------+
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INSERT INTO `test1` (`val`) VALUES ('rose')
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INSERT INTO `test2` (`clef`,`nuance`) VALUES
(10, 'pastel'),(10, 'Fuschia')
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select * from test1
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+----+-------+
| id | val |
+----+-------+
| 1 | bleu |
| 2 | rouge |
| 3 | vert |
| 4 | jaune |
| 10 | rose |
+----+-------+
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select * from test2
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+----+------+-----------+
| id | clef | nuance |
+----+------+-----------+
| 1 | 1 | marine |
| 2 | 2 | carmin |
| 3 | 3 | pomme |
| 4 | 4 | citron |
| 5 | 1 | nuit |
| 6 | 2 | vif |
| 7 | 3 | émeraude |
| 8 | 4 | pâle |
| 9 | 1 | turquoise |
| 10 | 1 | cyan |
| 11 | 3 | olive |
| 12 | 10 | pastel |
| 13 | 10 | Fuschia |
+----+------+-----------+
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SELECT AUTO_INCREMENT as last_id
FROM INFORMATION_SCHEMA.TABLES
WHERE table_name = 'test1'
or table_name = 'test2'
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+---------+
| last_id |
+---------+
| 11 |
| 14 |
+---------+
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COMMIT
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SET AUTOCOMMIT = 1
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