The INFORMATION_SCHEMA.COLLATIONS Table : INFORMATION_SCHEMA « Data Dictionary « MySQL Tutorial






The COLLATIONS table provides information about collations for each character set.

mysql>
mysql> desc INFORMATION_SCHEMA.COLLATIONS;
+--------------------+-------------+------+-----+---------+-------+
| Field              | Type        | Null | Key | Default | Extra |
+--------------------+-------------+------+-----+---------+-------+
| COLLATION_NAME     | varchar(64) | NO   |     |         |       |
| CHARACTER_SET_NAME | varchar(64) | NO   |     |         |       |
| ID                 | bigint(11)  | NO   |     | 0       |       |
| IS_DEFAULT         | varchar(3)  | NO   |     |         |       |
| IS_COMPILED        | varchar(3)  | NO   |     |         |       |
| SORTLEN            | bigint(3)   | NO   |     | 0       |       |
+--------------------+-------------+------+-----+---------+-------+
6 rows in set (0.00 sec)

The following statements are equivalent:

SELECT COLLATION_NAME FROM INFORMATION_SCHEMA.COLLATIONS
  [WHERE collation_name LIKE 'wild']

SHOW COLLATION
  [LIKE 'wild']








25.8.INFORMATION_SCHEMA
25.8.1.The INFORMATION_SCHEMA Database
25.8.2.The INFORMATION_SCHEMA.SCHEMATA Table
25.8.3.The INFORMATION_SCHEMA.TABLES Table
25.8.4.The INFORMATION_SCHEMA.COLUMNS Table
25.8.5.The INFORMATION_SCHEMA.STATISTICS Table
25.8.6.The INFORMATION_SCHEMA.USER_PRIVILEGES Table
25.8.7.The INFORMATION_SCHEMA.SCHEMA_PRIVILEGES Table
25.8.8.The INFORMATION_SCHEMA.TABLE_PRIVILEGES Table
25.8.9.The INFORMATION_SCHEMA.COLUMN_PRIVILEGES Table
25.8.10.The INFORMATION_SCHEMA.CHARACTER_SETS Table
25.8.11.The INFORMATION_SCHEMA.COLLATIONS Table
25.8.12.The INFORMATION_SCHEMA.COLLATION_CHARACTER_SET_APPLICABILITY Table
25.8.13.The INFORMATION_SCHEMA.TABLE_CONSTRAINTS Table
25.8.14.The INFORMATION_SCHEMA KEY_COLUMN_USAGE Table
25.8.15.The INFORMATION_SCHEMA ROUTINES Table
25.8.16.The INFORMATION_SCHEMA.VIEWS Table
25.8.17.The INFORMATION_SCHEMA.TRIGGERS Table
25.8.18.The INFORMATION_SCHEMA.PROFILING Table