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Top N analysis requires _____ and _____. (Choose two.)
Correct Answer: C,E
Explanation/Reference: Explanation: The correct statement for Top-N Analysis SELECT [coloumn_list], ROWNUM FROM (SELECT [coloumn_list] FROM table ORDER BY Top-N_coloumn) WHERE ROWNUM <= N; Incorrect answer: A. ROWID is not require B. GROUP BY clause is not require D. Must have inline view and outer query. Refer: Introduction to Oracle9i: SQL, Oracle University Study Guide, 11-23