MySQL Error Message: MySQL Query Error SQL: SELECT id,ChengYu,PinYin FROM chengyu WHERE length(ChengYu) == 8 AND w1 = '耘' ORDER BY rand() LIMIT 1 Error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '== 8 AND w1 = '耘' ORDER BY rand() LIMIT 1' at line 1 Errno.: 1064