Manual:Trackbacks table

The trackbacks table stores trackback requests.

Schema summary
+--++--+-+-++ +--++--+-+-++ +--++--+-+-++
 * Field   | Type           | Null | Key | Default | Extra          |
 * tb_id   | int(11)        | NO   | PRI | NULL    | auto_increment |
 * tb_page | int(11)        | YES  | MUL | NULL    |                |
 * tb_title | varbinary(255) | NO  |     | NULL    |                |
 * tb_url  | blob           | NO   |     | NULL    |                |
 * tb_ex   | blob           | YES  |     | NULL    |                |
 * tb_name | varbinary(255) | YES  |     | NULL    |                |

+--+--+--+-+-++ +--+--+--+-+-++ +--+--+--+-+-++
 * Field   | Type         | Null | Key | Default | Extra          |
 * tb_id   | int(11)      | NO   | PRI | NULL    | auto_increment |
 * tb_page | int(11)      | YES  | MUL | NULL    |                |
 * tb_title | varchar(255) | NO  |     | NULL    |                |
 * tb_url  | varchar(255) | NO   |     | NULL    |                |
 * tb_ex   | text         | YES  |     | NULL    |                |
 * tb_name | varchar(255) | YES  |     | NULL    |                |

Indexes
 +++--+--+-+---+-+--++--++-+---+ +++--+--+-+---+-+--++--++-+---+ +++--+--+-+---+-+--++--++-+---+
 * Table     | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment |
 * trackbacks |         0 | PRIMARY  |            1 | tb_id       | A         |           0 |     NULL | NULL   |      | BTREE      |         |               |
 * trackbacks |         1 | tb_page  |            1 | tb_page     | A         |           0 |     NULL | NULL   | YES  | BTREE      |         |               |