Computer Science · Database Management Systems
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Periodic checkpoints slow down the recovery process by forcing the recovery manager to scan the entire log from the beginning to locate dirty buffer pages. Reason R: A checkpoint acts as a synchronization point where the DBMS flushes all dirty buffer pages to disk and writes a checkpoint record to the database log. In the light of the above statements, choose the most appropriate answer from the options given below:
- 1Both A and R are correct and R is the correct explanation of A
- 2Both A and R are correct but R is NOT the correct explanation of A
- 3A is correct but R is not correct
- 4A is not correct but R is correct✓
Correct answer
A is not correct but R is correct
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