Which of the following statements is correct? a. The WHERE clause can contain a group function only

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Which of the following statements is correct?
a. The WHERE clause can contain a group function only if the function isn’t also listed in the SELECT clause.
b. Group functions can’t be used in the SELECT, FROM, or WHERE clauses.
c. The HAVING clause is always processed before the WHERE clause.
d. The GROUP BY clause is always processed before the HAVING clause.

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Oracle 12c SQL

ISBN: 978-1305251038

3rd edition

Authors: Joan Casteel

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