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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 `test1`
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--------------
CREATE TABLE `test1`
(
`id` int NOT NULL AUTO_INCREMENT,
`date1deb` datetime NOT NULL,
`date1fin` datetime NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
insert into `test1` (`date1deb`,`date1fin`) values
('2015-10-09 08:00:00', '2015-10-09 20:00:00'),
('2015-10-10 08:00:00', '2015-10-10 20:00:00')
--------------
--------------
select * from test1
--------------
+----+---------------------+---------------------+
| id | date1deb | date1fin |
+----+---------------------+---------------------+
| 1 | 2015-10-09 08:00:00 | 2015-10-09 20:00:00 |
| 2 | 2015-10-10 08:00:00 | 2015-10-10 20:00:00 |
+----+---------------------+---------------------+
--------------
DROP TABLE IF EXISTS `test2`
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--------------
CREATE TABLE `test2`
(
`id` int NOT NULL AUTO_INCREMENT,
`date2deb` datetime NOT NULL,
`date2fin` datetime NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
insert into `test2` (`date2deb`,`date2fin`) values
('2015-10-08 12:00:00', '2015-10-08 14:00:00'),
('2015-10-09 12:00:00', '2015-10-09 14:00:00')
--------------
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select * from test2
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+----+---------------------+---------------------+
| id | date2deb | date2fin |
+----+---------------------+---------------------+
| 1 | 2015-10-08 12:00:00 | 2015-10-08 14:00:00 |
| 2 | 2015-10-09 12:00:00 | 2015-10-09 14:00:00 |
+----+---------------------+---------------------+
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select date1deb, date2deb, date2fin, date1fin
from test1, test2
where date1deb < date2deb
and date1fin > date2fin
--------------
+---------------------+---------------------+---------------------+---------------------+
| date1deb | date2deb | date2fin | date1fin |
+---------------------+---------------------+---------------------+---------------------+
| 2015-10-09 08:00:00 | 2015-10-09 12:00:00 | 2015-10-09 14:00:00 | 2015-10-09 20:00:00 |
+---------------------+---------------------+---------------------+---------------------+
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COMMIT
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SET AUTOCOMMIT = 1
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