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
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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 `appels`
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CREATE TABLE `appels` (
`id` integer unsigned NOT NULL auto_increment,
`sexe_appelant` integer unsigned NOT NULL,
PRIMARY KEY(`id`)
)
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insert into `appels` (`sexe_appelant`) values
(1),(2),(3),(1),(2),(1)
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select * from appels
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+----+---------------+
| id | sexe_appelant |
+----+---------------+
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
+----+---------------+
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select sum(case when sexe_appelant = 1 then 1 else 0 end) as 'homme',
sum(case when sexe_appelant = 2 then 1 else 0 end) as 'femme',
sum(case when sexe_appelant = 3 then 1 else 0 end) as 'autre',
sum(case when sexe_appelant = 0 then 0 else 1 end) as 'total'
from appels
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+-------+-------+-------+-------+
| homme | femme | autre | total |
+-------+-------+-------+-------+
| 3 | 2 | 1 | 6 |
+-------+-------+-------+-------+
--------------
select concat((homme / total) * 100, '%') as 'homme',
concat((femme / total) * 100, '%') as 'femme',
concat((autre / total) * 100, '%') as 'autre'
from (
select sum(case when sexe_appelant = 1 then 1 else 0 end) as 'homme',
sum(case when sexe_appelant = 2 then 1 else 0 end) as 'femme',
sum(case when sexe_appelant = 3 then 1 else 0 end) as 'autre',
sum(case when sexe_appelant = 0 then 0 else 1 end) as 'total'
from appels
) as x
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+----------+----------+----------+
| homme | femme | autre |
+----------+----------+----------+
| 50.0000% | 33.3333% | 16.6667% |
+----------+----------+----------+
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COMMIT
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SET AUTOCOMMIT = 1
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