Database Systems MCQs - Chapter 3
Concurrency Control Trivia Questions and Answers PDF - 8
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Concurrency Control Questions & Answers PDF Download: MCQ Quiz 8
MCQ 36: A way of guarding against deadlock prevention is to
- Order data items
- Order the execution
- Order access
- Order cascading
MCQ 37: Serializability can be ensured by the two-phase locking protocol but not
- Unlocking freedom
- Locking freedom
- Deadlock freedom
- Access freedom
MCQ 38: A protocol that requires that each transaction must issue lock and unlock requests in two phases, is called
- Bi-lock locking protocol
- Two-phase locking protocol
- Two-level locking protocol
- Lock-point locking protocol
MCQ 39: To ensure deadlock prevention, we can use the preemption approach and
- Rollbacks
- Timestamping
- Cascading
- Validating
MCQ 40: A write operation in multiversion timestamp ordering, may result into the
- Abortion of transaction
- Termination of transaction
- Rollback of transaction
- Waiting of transaction
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