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What is true about updates through a view? ()
A. You cannot update a view with group functions.
B. When you update a view group functions are automatically computed.
C. When you update a view only the constraints on the underlying table will be in effect.
D. When you update a view the constraints on the views always override the constraints on the underlying tables.
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更多 “ What is true about updates through a view? () A. You cannot update a view with group functions.B. When you update a view group functions are automatically computed.C. When you update a view only the constraints on the underlying table will be in effect.D. When you update a view the constraints on the views always override the constraints on the underlying tables. ” 相关考题
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