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?
A. Hash
B. Sort
C. Random
D. Round Robin
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?
A. Hash
B. Sort
C. Random
D. Round Robin
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