25. The _____ command restricts the selection of grouped rows based on a condition.

	a.	DISPLAY	b.	HAVING
	c.	FROM	d.	CONVERT

26. A(n) _____ query specifies which data should be retrieved and how it should be filtered, aggregated, and displayed.

	a.	INSERT	b.	SELECT
	c.	COMMIT	d.	UPDATE

27. Which query is used to list a unique value for V_CODE, where the list will produce only a list of those values that are different from one another?

	a.	SELECT ONLY V_CODE FROM PRODUCT;	b.	SELECT UNIQUE V_CODE FROM PRODUCT;
	c.	SELECT DIFFERENT V_CODE FROM PRODUCT;	d.	SELECT DISTINCT V_CODE FROM PRODUCT;

28. The special operator used to check whether an attribute value is within a range of values is _____.

	a.	BETWEEN	b.	NULL
	c.	LIKE	d.	IN