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Oozie join condition?

SQLmedium0.4 min readPremium
Frequency
Low
Asked at 1 company
Category
487
questions in SQL
Difficulty Split
130E|271M|86H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Citi
Key Concepts Tested
join
Expert AnswerPremium
79 wordsInterview-ready
Oozie join: control node that waits for multiple job completions before proceeding. Join runs when all parent nodes complete. Use for fork-join workflows. Example: workflow has branch A and B; join waits for both; then run C. Condition: typically no condition—pure sync. For conditional branching use decision node. **Why it matters**: Design choices compound at scale—wrong approach can cause 100× overhead. **Scalability trade-offs**: Profile before optimizing; validate on sample then full....
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