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All lock information is managed by a __________ which is responsible for assigning and policing the locks used by the transactions.

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All lock information is managed by a __________ which is responsible for assigning and policing the locks used by the transactions.

(a) Scheduler

(b) DBMS

(c) Lock manager

(d) Locking agent

The question was asked in semester exam.

My question is taken from Lock-Based Protocols in chapter Concurrency Control of Database Management

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Correct option is (c) Lock manager

Easiest explanation - A distributed lock manager (DLM) provides distributed software applications with a means to synchronize their accesses to shared resources.

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