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Database Systems MCQs – Practice Test 7 (Chapter 3)

Concurrency Control Quiz with Answers PDF Download – Test 7

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Concurrency Control Quiz – Practice Test 7 PDF Download

MCQ 31: Snapshot isolation scheme does not support:

  1. Write operation
  2. Serializability
  3. Read operation
  4. Update operation

MCQ 32: A write operation in multiversion two-phase locking, may result into the:

  1. Lock Wait
  2. Deadlock
  3. Rollback
  4. Both A and B

MCQ 33: The point in the schedule where the transaction obtains its final lock, is called its:

  1. Shrinking point
  2. Growing point
  3. Lock point
  4. Phase point

MCQ 34: The number of action(s) need to be taken in order to recover from a deadlock is/are:

  1. 1
  2. 2
  3. 3
  4. 4

MCQ 35: The most common concurrency-control schemes includes locking protocols and:

  1. Timestamp-ordering schemes
  2. Validation techniques
  3. Multiversion schemes
  4. All of the Above

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