A.SELECT *FROM t LIMIT1,6;B.SELECT *FROM t LIMIT 0,5;C.SELECT *FROM t LIMIT 1,5;D.SELECT *FROM t LIMIT 5;
A..frmB..MYDC..MYID..MYV
A.存儲介質故障B.用戶的錯誤操作C.自然災害D.服務器的徹底崩潰