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CBSE Class 12 Computer Science Question 35 of 91

Grouping Records, Joins in SQL — Question 13

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13
Question

Question 13

Which of the following group functions ignore NULL values ?

  1. MAX
  2. COUNT
  3. SUM
  4. All of the above
Answer

All of the above

Reason — All aggregate functions, except for COUNT(*), ignore null values in their input collection.