A.WHERE B.LIMIT C.ORDER BY D.GROUP BY
A.DEFINER B.UNDEFINED C.WITH CHECK OPTION D.SQL SECURITY
A.創(chuàng)建v_goods的用戶默認(rèn)為當(dāng)前用戶 B.視圖算法由MySQL自動(dòng)選擇 C.視圖的安全控制默認(rèn)為DEFINER D.以上說(shuō)法都不正確