Multiple choice technology

Types of lookup in parallel?

  1. Normal

  2. Sparse

  3. Both

  4. None of the Above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

DataStage supports two types of lookup in parallel jobs: Normal lookup (loads entire reference dataset into memory) and Sparse lookup (queries the database for each key value). Both are valid approaches depending on your data volume and performance requirements.

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