watch table
Fields
Schema summary
DESCRIBE watch;
6.0
+------------+---------------------+------+-----+-------------------+-----------------------------+ | Field | Type | Null | Key | Default | Extra | +------------+---------------------+------+-----+-------------------+-----------------------------+ | watch_id | int(10) unsigned | NO | PRI | NULL | auto_increment | | user_id | int(10) unsigned | NO | | 0 | | | page_id | int(10) unsigned | NO | | 0 | | | comment_id | int(10) unsigned | NO | | 0 | | | pending | tinyint(1) unsigned | NO | | 0 | | | watch_time | timestamp | NO | | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP | +------------+---------------------+------+-----+-------------------+-----------------------------+
Indices
SHOW INDEX IN watch;
+-------------+------------+-------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | Index_comment | +-------------+------------+-------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+ | wacko_watch | 0 | PRIMARY | 1 | watch_id | A | 135 | NULL | NULL | | BTREE | | | | wacko_watch | 1 | idx_user_id | 1 | user_id | A | 19 | NULL | NULL | | BTREE | | | | wacko_watch | 1 | idx_page_id | 1 | page_id | A | 135 | NULL | NULL | | BTREE | | | +-------------+------------+-------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+---------------+