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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 `test`
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CREATE TABLE `test`
( `id` integer unsigned auto_increment NOT NULL primary key,
`datexec` datetime NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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INSERT INTO `test` (`datexec`) VALUES
('2015-07-04 13:15:00'),
('2015-02-22 08:33:00'),
('2015-05-25 14:03:00'),
('2015-08-12 15:25:00'),
('2015-02-14 07:49:00'),
('2015-05-01 11:17:00'),
('2015-03-08 19:32:00'),
('2015-02-11 13:11:00'),
('2015-12-15 12:00:00'),
('2015-05-12 14:00:00')
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select * from test
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+----+---------------------+
| id | datexec |
+----+---------------------+
| 1 | 2015-07-04 13:15:00 |
| 2 | 2015-02-22 08:33:00 |
| 3 | 2015-05-25 14:03:00 |
| 4 | 2015-08-12 15:25:00 |
| 5 | 2015-02-14 07:49:00 |
| 6 | 2015-05-01 11:17:00 |
| 7 | 2015-03-08 19:32:00 |
| 8 | 2015-02-11 13:11:00 |
| 9 | 2015-12-15 12:00:00 |
| 10 | 2015-05-12 14:00:00 |
+----+---------------------+
--------------
select * from test where month(datexec) = 5
union all
select * from test where month(datexec) = 2
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+----+---------------------+
| id | datexec |
+----+---------------------+
| 3 | 2015-05-25 14:03:00 |
| 6 | 2015-05-01 11:17:00 |
| 10 | 2015-05-12 14:00:00 |
| 2 | 2015-02-22 08:33:00 |
| 5 | 2015-02-14 07:49:00 |
| 8 | 2015-02-11 13:11:00 |
+----+---------------------+
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select * from test where month(datexec) = 5
union all
select * from test where month(datexec) = 2
order by datexec
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+----+---------------------+
| id | datexec |
+----+---------------------+
| 8 | 2015-02-11 13:11:00 |
| 5 | 2015-02-14 07:49:00 |
| 2 | 2015-02-22 08:33:00 |
| 6 | 2015-05-01 11:17:00 |
| 10 | 2015-05-12 14:00:00 |
| 3 | 2015-05-25 14:03:00 |
+----+---------------------+
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select * from test where month(datexec) = 5
union all
select * from test where month(datexec) = 2
order by datexec
limit 1,4
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+----+---------------------+
| id | datexec |
+----+---------------------+
| 5 | 2015-02-14 07:49:00 |
| 2 | 2015-02-22 08:33:00 |
| 6 | 2015-05-01 11:17:00 |
| 10 | 2015-05-12 14:00:00 |
+----+---------------------+
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COMMIT
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SET AUTOCOMMIT = 1
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