Multiple Granularity in DBMS MCQs Quiz Online PDF Download

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MCQs on Multiple Granularity in DBMS Quiz PDF Download

MCQ: Rigorous two-phase locking protocol permits releasing all locks at the

  1. Beginning of transaction
  2. During execution of transaction
  3. End of transaction
  4. Never in the life-time of transaction


MCQ: For deadlock prevention, when we use an ordering of data items, request locks are sequenced in

  1. Consistent with access
  2. Consistent with relation
  3. Consistent with ordering
  4. Consistent with execution


MCQ: A way of guarding against deadlock prevention is to

  1. Order data items
  2. Order the execution
  3. Order access
  4. Order cascading


MCQ: To ensure deadlock prevention, we can use preemption approach and

  1. Rollbacks
  2. Timestamping
  3. Cascading
  4. Validating


MCQ: Graph-based locking protocols impose restrictions on the

  1. Order of execution
  2. Order of access
  3. Order of evaluation
  4. Order of cascading