题目内容:
删除学号为“20091001”且课程号为“C1”的选课记录,正确命令是( )。
A.DELETE FROM score WHERE课程号='C1'AND学号='20091001' B.DELETE FROM score WHERE课程号='C1'OR学号='20091001'
C.DELETE score WHERE课程号='C1'AND学号='20091001'
D.DELETE score WHERE课程号='C1'AND学号='20091001'
参考答案:
答案解析: