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MySQL UNION

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  1. Which clause is used to sort a UNION result as a whole?
    1. GROUP BY
    2. SORT
    3. ORDER BY
    4. LIMIT
    5. None of these
Correct Option: C

The ‘ORDER BY’ clause is used along with the ‘UNION’ statement to sort a ‘UNION’ result as a whole. It is placed after the last ‘SELECT’ statement which is kept in parentheses.


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