Manual:Config table

Table for holding configuration changes.

mysql> describe config; +--++--+-+-+---+ +--++--+-+-+---+ +--++--+-+-+---+ 2 rows in set (0.03 sec)
 * Field   | Type           | Null | Key | Default | Extra |
 * cf_name | varbinary(255) | NO   | PRI | NULL    |       |
 * cf_value | blob          | NO   |     | NULL    |       |