Which of the following is a valid reason to not include the DISTINCT clause if it is not necessary? a. Improve the performance. b. There are no subqueries used. c. Aggregate functions are used. d. The number of rows is too small.

Which of the following is a valid reason to not include the DISTINCT clause if it is not necessary? a. Improve the performance. b. There are no subqueries used. c. Aggregate functions are used. d. The number of rows is too small.

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Chapter8: Working With Advanced Functions

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Which of the following is a valid reason to not include the DISTINCT clause if it is not necessary?

	a.	Improve the performance.
	b.	There are no subqueries used.
	c.	Aggregate functions are used.
	d.	The number of rows is too small.

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