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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 `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `famille`
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CREATE TABLE `famille`
(
`fam_id` integer unsigned NOT NULL primary key,
`path` varchar(255) NOT NULL,
`fam_lib` varchar(255) NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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insert into `famille` (`fam_id`,`path`,`fam_lib`) values
(0, '-1', 'transport'), (1, '0', 'terrestre'), (2, '0,1', 'moto')
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select * from famille
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+--------+------+-----------+
| fam_id | path | fam_lib |
+--------+------+-----------+
| 0 | -1 | transport |
| 1 | 0 | terrestre |
| 2 | 0,1 | moto |
+--------+------+-----------+
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SELECT * FROM `FAMILLE`
WHERE find_in_set(fam_id,(select path from famille where fam_lib='moto')) != 0
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+--------+------+-----------+
| fam_id | path | fam_lib |
+--------+------+-----------+
| 0 | -1 | transport |
| 1 | 0 | terrestre |
+--------+------+-----------+
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commit
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SET AUTOCOMMIT = 1
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