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A transaction manager is which of the following?
Q:

A transaction manager is which of the following?

belongs to collection: DBMS - DISTRIBUTED DATABASES MCQ

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A transaction manager is which of the following?


  1. Maintains a log of transactions
  2. Maintains before and after database images
  3. Maintains appropriate concurrency control
  4. All of the above

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(d).All of the above

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DBMS - DISTRIBUTED DATABASES MCQ

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