Question: A UNION query is which of the following?

Options

A : Combines the output from no more than two queries and must include the same number of columns.

B : Combines the output from no more than two queries and does not include the same number of columns.

C : Combines the output from multiple queries and must include the same number of columns.

D : Combines the output from multiple queries and does not include the same number of columns.

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