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（ ）。
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'
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：
佳题速递：