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)