1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101
| --------------
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 test
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CREATE TABLE test
( `id` integer unsigned not null auto_increment primary key,
`annonce` smallint not null,
`contenu` smallint not null,
INDEX `idx` (`contenu`)
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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insert into `test` (`annonce`,`contenu`) values
(1, 2),
(2, 4),
(1, 6),
(3, 2),
(3, 5),
(3, 2)
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select * from test
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+----+---------+---------+
| id | annonce | contenu |
+----+---------+---------+
| 1 | 1 | 2 |
| 2 | 2 | 4 |
| 3 | 1 | 6 |
| 4 | 3 | 2 |
| 5 | 3 | 5 |
| 6 | 3 | 2 |
+----+---------+---------+
--------------
select annonce,
count(*) as nbre
from `test`
where contenu in (2,6)
group by annonce
having nbre >= 2
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+---------+------+
| annonce | nbre |
+---------+------+
| 1 | 2 |
| 3 | 2 |
+---------+------+
--------------
select distinct annonce
from `test` as t1
where exists ( select 1
from `test` as t2
where t2.annonce = t1.annonce
and t2.contenu = 2
)
and exists ( select 1
from `test` as t2
where t2.annonce = t1.annonce
and t2.contenu = 6
)
--------------
+---------+
| annonce |
+---------+
| 1 |
+---------+
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COMMIT
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SET AUTOCOMMIT = 0
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