What is true about updates through a view?

What is true about updates through a view?

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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