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Advanced SQL

Q1: A UNION query is which of the following?

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.

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

No answer description is available.



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