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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 `page`
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--------------
CREATE TABLE IF NOT EXISTS `page`
( `id` integer unsigned not null auto_increment primary key,
`lib` varchar(255) not null
) engine=innoDB
default charset=latin1 collate=latin1_general_ci
row_format=compressed
--------------
--------------
insert into `page` (`lib`) values
('Menu 1'),('Menu 2'),('Menu 3'),('Menu 4')
--------------
--------------
select * from `page`
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+----+--------+
| id | lib |
+----+--------+
| 1 | Menu 1 |
| 2 | Menu 2 |
| 3 | Menu 3 |
| 4 | Menu 4 |
+----+--------+
--------------
DROP TABLE IF EXISTS `subpage`
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--------------
CREATE TABLE IF NOT EXISTS `subpage`
( `id` integer unsigned not null auto_increment primary key,
`page_id` integer unsigned not null,
`lib` varchar(255) not null,
CONSTRAINT `FK_01` FOREIGN KEY (`page_id`) REFERENCES `page` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) engine=innoDB
default charset=latin1 collate=latin1_general_ci
row_format=compressed
--------------
--------------
insert into `subpage` (`page_id`,`lib`) values
(1,'Menu 1-1'),(1,'Menu 1-2'),
(2,'Menu 2-1'),(2,'Menu 2-2'),(2,'Menu 2-3'),
(3,'Menu 3-1'),(3,'Menu 3-2'),
(4,'Menu 4-1'),(4,'Menu 4-2')
--------------
--------------
select * from `subpage`
--------------
+----+---------+----------+
| id | page_id | lib |
+----+---------+----------+
| 1 | 1 | Menu 1-1 |
| 2 | 1 | Menu 1-2 |
| 3 | 2 | Menu 2-1 |
| 4 | 2 | Menu 2-2 |
| 5 | 2 | Menu 2-3 |
| 6 | 3 | Menu 3-1 |
| 7 | 3 | Menu 3-2 |
| 8 | 4 | Menu 4-1 |
| 9 | 4 | Menu 4-2 |
+----+---------+----------+
--------------
DROP TABLE IF EXISTS `subsubpage`
--------------
--------------
CREATE TABLE IF NOT EXISTS `subsubpage`
( `id` integer unsigned not null auto_increment primary key,
`subpage_id` integer unsigned not null,
`lib` varchar(255) not null,
CONSTRAINT `FK_02` FOREIGN KEY (`subpage_id`) REFERENCES `subpage` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) engine=innoDB
default charset=latin1 collate=latin1_general_ci
row_format=compressed
--------------
--------------
insert into `subsubpage` (`subpage_id`,`lib`) values
(1,'Menu 1-1-1'),(1,'Menu 1-1-2'),
(2,'Menu 1-2-1'),(2,'Menu 1-2-2'),
(3,'Menu 2-1-1'),(3,'Menu 2-1-2'),
(4,'Menu 2-2-1'),(4,'Menu 2-2-2'),
(5,'Menu 2-3-1'),(5,'Menu 2-3-2'),(5, 'Menu 2-3-1'),
(6,'Menu 3-1-1'),(6,'Menu 3-1-2'),(6, 'Menu 3-1-3'),
(7,'Menu 3-2-1'),(7,'Menu 3-2-2'),(7, 'Menu 3-2-1'),
(8,'Menu 4-1-1'),(8,'Menu 4-1-2'),
(9,'Menu 4-2-1'),(9,'Menu 4-2-2')
--------------
--------------
select * from `subpage`
--------------
+----+---------+----------+
| id | page_id | lib |
+----+---------+----------+
| 1 | 1 | Menu 1-1 |
| 2 | 1 | Menu 1-2 |
| 3 | 2 | Menu 2-1 |
| 4 | 2 | Menu 2-2 |
| 5 | 2 | Menu 2-3 |
| 6 | 3 | Menu 3-1 |
| 7 | 3 | Menu 3-2 |
| 8 | 4 | Menu 4-1 |
| 9 | 4 | Menu 4-2 |
+----+---------+----------+
--------------
select t1.lib,
t2.lib,
t3.lib
from page as t1
inner join subpage as t2
on t2.page_id = t1.id
inner join subsubpage as t3
on t3.subpage_id = t2.id
--------------
+--------+----------+------------+
| lib | lib | lib |
+--------+----------+------------+
| Menu 1 | Menu 1-1 | Menu 1-1-1 |
| Menu 1 | Menu 1-1 | Menu 1-1-2 |
| Menu 1 | Menu 1-2 | Menu 1-2-1 |
| Menu 1 | Menu 1-2 | Menu 1-2-2 |
| Menu 2 | Menu 2-1 | Menu 2-1-1 |
| Menu 2 | Menu 2-1 | Menu 2-1-2 |
| Menu 2 | Menu 2-2 | Menu 2-2-1 |
| Menu 2 | Menu 2-2 | Menu 2-2-2 |
| Menu 2 | Menu 2-3 | Menu 2-3-1 |
| Menu 2 | Menu 2-3 | Menu 2-3-2 |
| Menu 2 | Menu 2-3 | Menu 2-3-1 |
| Menu 3 | Menu 3-1 | Menu 3-1-1 |
| Menu 3 | Menu 3-1 | Menu 3-1-2 |
| Menu 3 | Menu 3-1 | Menu 3-1-3 |
| Menu 3 | Menu 3-2 | Menu 3-2-1 |
| Menu 3 | Menu 3-2 | Menu 3-2-2 |
| Menu 3 | Menu 3-2 | Menu 3-2-1 |
| Menu 4 | Menu 4-1 | Menu 4-1-1 |
| Menu 4 | Menu 4-1 | Menu 4-1-2 |
| Menu 4 | Menu 4-2 | Menu 4-2-1 |
| Menu 4 | Menu 4-2 | Menu 4-2-2 |
+--------+----------+------------+
--------------
COMMIT
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SET AUTOCOMMIT = 1
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