A. Create groups of data B. Sort data in a specific order C. Convert data to a different format D. Retrieve data based on an unknown condition
A. WHERE B. HAVING C. RESTRICT D. GROUP BY E. ORDER BY
A. The two statements produce identical results. B. The second statement returns a syntax error. C. There is no need to specify DESC because the results are sorted in descending order by default. D. The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.