Question: If you try to add a row to a complex view that includes a GROUP BY clause, you get which of the following error messages?

If you try to add a row to a complex view that includes a GROUP BY clause, you get which of the following error messages?
a. Virtual column not allowed here
b. Data manipulation operation not legal on this view
c. Cannot map to a column in a non-key-preserved table
d. None of the above—no error message is returned.

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