md5 password() //案例 mysql> select md5('xiaodeng'); +----------------------------------+ | md5('xiaodeng') | +----------------------------------+ | accd5818a8547b13180044139260c80d | +----------------------------------+ 1 row in set (0.09 sec) mysql> select password('xiaodeng'); +-------------------------------------------+ | password('xiaodeng') | +-------------------------------------------+ | *37F20A3D69B0CE32DE36C6D57BFB0408A63F80DE | +-------------------------------------------+ 1 row in set, 1 warning (0.05 sec)