Multiple choice technology

Which one is true about Aggregator stage?

  1. Classifies incoming data into groups

  2. Computes totals and other summary

  3. Functions for each group

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Aggregator stage performs all three functions: it classifies incoming data into groups based on key specifications, computes aggregate functions (sums, counts, averages, etc.) for each group, and applies various summary functions to the grouped data.