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| Engine     | Support | Comment                                                        |
+------------+---------+----------------------------------------------------------------+
| MyISAM     | YES     | Default engine as of MySQL 3.23 with great performance         |
| MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables      |
| InnoDB     | DEFAULT | Supports transactions, row-level locking, and foreign keys     |
| BerkeleyDB | NO      | Supports transactions and page-level locking                   |
| BLACKHOLE  | NO      | /dev/null storage engine (anything you wr


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mysql forige key


Love in coding...
    Free and Susan
[Òý]MySQL INNODBÀàÐͱíµÄÍâ¼ü¹ØÁªÉèÖÃ

Here is a simple example that relates parent and child tables through a single-column foreign key:
CREATE TABLE parent (id INT NOT NULL,
          ......
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