Which of the following is the simplest ranking function ?
A. RANK
B. NTILE
C. ROW_NUMBER
D. None of the mentioned
Answer:A
Which of the following is the simplest ranking function ?
A. RANK B. NTILE C. ROW_NUMBER D. None of the mentioned
Explanation:The ROW_NUMBER ranking function is the simplest of the ranking functions.Its purpose in life is to provide consecutive numbering of the rows in the result set by the order selected in the OVER clause for each partition specified in the OVER clause.