Which of the following is not an aggregate function ?

1. Avg
2. Sum
3. With
4. Min

All aggregate functions except …………… ignore null values in their input collection.

1. Count(attribute)
2. Count(*)
3. Avg
4. Sum

Which of the following group functions ignore NULL values ?

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

The functions which work with individual rows' data are called …………… function.

1. Single row
2. Multiple rows
3. Aggregate
4. None of these