IBM
P2090-045 · Question #7
A file contains a very large number of records with unique groups based on a key. Which Grouping Method would you prefer to use in the Aggregate Stage for aggregating the data?
The correct answer is B. Sort. See the full explanation below for the reasoning.
Question
A file contains a very large number of records with unique groups based on a key. Which Grouping Method would you prefer to use in the Aggregate Stage for aggregating the data?
Options
- AHash
- BSort
- CRandom
- DRound Robin
How the community answered
(25 responses)- A4% (1)
- B76% (19)
- C8% (2)
- D12% (3)
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