题目内容
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[主观题]
根据SQL标准,创建一个视图abc,通过该视图只能对表student中系dept为‘IS’的记录进行更新操作。
下面哪条语句适用?()
A create view abc as select * from student where dept=’IS’
B create view abc as select * from student where dept=’IS’ with check option
C create view abc as student where dept=’IS’
D create view abc as select dept=’IS’ from student
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