Multiple choice technology

Aggregate functions that can be used in Aggregator Transformation

  1. Group By

  2. Is Null

  3. MAX

  4. All of the above

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C Correct answer
Explanation

MAX is a valid aggregate function that returns the maximum value in a group. Group By is not a function but a clause that defines how data is grouped. Is Null is a conditional function, not an aggregate function. Other aggregate functions include SUM, COUNT, AVG, MIN, etc.