امتداد:بابل/جدول بابل

الخانات

babel_user

...

babel_lang

...

babel_level

...

مخطط البيانات

mysql> describe babel;
+-------------+------------------+------+-----+---------+-------+
| Field       | Type             | Null | Key | Default | Extra |
+-------------+------------------+------+-----+---------+-------+
| babel_user  | int(10) unsigned | NO   | PRI | NULL    |       |
| babel_lang  | varbinary(35)    | NO   | PRI | NULL    |       |
| babel_level | varbinary(2)     | NO   |     | NULL    |       |
+-------------+------------------+------+-----+---------+-------+

الفهارس

+-------+------------+------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| Table | Non_unique | Key_name         | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
+-------+------------+------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+
| babel |          0 | PRIMARY          |            1 | babel_user  | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| babel |          0 | PRIMARY          |            2 | babel_lang  | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| babel |          1 | babel_lang_level |            1 | babel_lang  | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
| babel |          1 | babel_lang_level |            2 | babel_level | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
+-------+------------+------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+