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GATE 2024 CS (CS2) – Question 19

Databases · Transactions and Concurrency Control · 1 mark · Multiple choice

Once the DBMS informs the user that a transaction has been successfully completed, its effect should persist even if the system crashes before all its changes are reflected on disk. This property is called

  1. durability
  2. atomicity
  3. consistency
  4. isolation

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Show answer and explanation

Correct answer: (A) durability

Explanation

Persistence of committed effects across crashes is the durability property.