注意：此页面搜索的是所有试题
题目内容
（国家开放大学数据库应用技术）
删除计算机系学生（在student表中）的修课记录（在SC表中）的语句，正确的是（ ）。
单选题 (3 分) 3分
A.
DELETE FROM SC JOIN Student b ON S.Sno = b.Sno
WHERE Sdept = .计算机系.
B.
DELETE FROM SC FROM SC JOIN Student b ON SC.Sno = b.Sno
WHERE Sdept = .计算机系.
C.
DELETE FROM Student WHERE Sdept = .计算机系.
D.
DELETE FROM SC WHERE Sdept = .计算机系.
单选题 (3 分) 3分
A.
DELETE FROM SC JOIN Student b ON S.Sno = b.Sno
WHERE Sdept = .计算机系.
B.
DELETE FROM SC FROM SC JOIN Student b ON SC.Sno = b.Sno
WHERE Sdept = .计算机系.
C.
DELETE FROM Student WHERE Sdept = .计算机系.
D.
DELETE FROM SC WHERE Sdept = .计算机系.
参考答案