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Which among the following belongs to an “aggregate function”?

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+1 vote
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Which among the following belongs to an “aggregate function”?

(a) COUNT

(b) UPPER

(c) LOWER

(d) All of the mentioned

I got this question during an interview for a job.

This interesting question is from The group by & having Clause topic in section Select Statement of MySQL

1 Answer

+1 vote
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Best answer
The correct choice is (a) COUNT

The best I can explain: None.

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