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144. View the Exhibit and examine the structure of the PRODUCTS table.

You want to display the category with the maximum number of items.

You issue the following query:

SQL>SELECT COUNT(*),prod_category_id

FROM products

GROUP BY prod_category_id

HAVING COUNT(*) = (SELECT MAX(COUNT(*)) FROM products); ûÓÐgroup by

What is the outcome?

A. It executes successfully and gives the correct output.

B. It executes successfully but does not give the correct output.

C. It generates an error because the subquery does not have a GROUP BY clause.

D. It generates an error because = is not valid and should be replaced by the IN operator.

Answer: C

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