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In order to maintain transactional integrity and database consistency, what technology does a DBMS deploy?

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in Database Management by (119k points)
In order to maintain transactional integrity and database consistency, what technology does a DBMS deploy?

(a) Triggers

(b) Pointers

(c) Locks

(d) Cursors

The question was posed to me in an interview for job.

I would like to ask this question from Lock-Based Protocols in division Concurrency Control of Database Management

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Best answer
Right choice is (c) Locks

For explanation: Locks are used to maintain database consistency.

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