Multiple choice technology

Which stage can combine two or more datasets based on key column

  1. Join stage

  2. Transformer stage

  3. Funnel stage.

  4. Sort stage

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A Correct answer
Explanation

The Join stage in DataStage combines two or more input datasets based on matching key columns, similar to SQL JOIN operations. It performs equi-joins between records that have the same values in the specified key columns, making it the primary stage for merging related data from different sources.