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Which of the following are introduced to reduce the overheads caused by the log-based recovery?

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Which of the following are introduced to reduce the overheads caused by the log-based recovery?

(a) Checkpoints

(b) Indices

(c) Deadlocks

(d) Locks

The question was asked in homework.

This is a very interesting question from Lock-Based Protocols topic in portion Concurrency Control of Database Management

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Best answer
The correct choice is (a) Checkpoints

Easiest explanation - Checkpoints are introduced to reduce overheads caused by the log-based recovery.

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