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Database · Q10

Advanced SQL

Programming · Database · question 10

Q10

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

Answer: Option C

Solution

Answer: Option C
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