Database Systems MCQs - Chapter 3

Concurrency Control Quiz Questions and Answers PDF - 7

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Concurrency Control Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: Snapshot isolation scheme does not support

Write operation
Serializability
Read operation
Update operation

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

Lock Wait
Deadlock
Rollback
Both A and B

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

Shrinking point
Growing point
Lock point
Phase point

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

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

Timestamp-ordering schemes
Validation techniques
Multiversion schemes
All of the Above

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