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Why is schema evolution important in big data systems?

  1. A Producers change over time, and consumers must keep working with both old and new records
  2. B Schemas are never fixed
  3. C It reduces storage cost
  4. D It improves compression
Answer

Producers change over time, and consumers must keep working with both old and new records

A schema registry with compatibility rules prevents a producer change from silently breaking every downstream consumer.

All Big data MCQs

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