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Under first updater wins the system uses a __________ mechanism that applies only to updates.

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Under first updater wins the system uses a __________ mechanism that applies only to updates.

(a) Close

(b) Read

(c) Locking

(d) Beat

The question was asked during an internship interview.

This is a very interesting question from Snapshot Isolation in chapter Concurrency Control of Database Management

1 Answer

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Best answer
Right choice is (c) Locking

Easy explanation - Reads are unaffected by this, since they do not obtain locks.

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