Extension:Proofread Page/pr index table
mysql> describe pr_index; +------------+---------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +------------+---------+------+-----+---------+-------+ | pr_page_id | int(11) | NO | PRI | NULL | | | pr_count | int(11) | NO | | 0 | | | pr_q0 | int(11) | NO | | 0 | | | pr_q1 | int(11) | NO | | 0 | | | pr_q2 | int(11) | NO | | 0 | | | pr_q3 | int(11) | NO | | 0 | | | pr_q4 | int(11) | NO | | 0 | | +------------+---------+------+-----+---------+-------+