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Which is the duplication of computer operations and routine backups to combat any unforeseen problems:

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Which is the duplication of computer operations and routine backups to combat any unforeseen problems:

(a) Concurrency

(b) Deadlock

(c) Backup

(d) Recovery

I have been asked this question in examination.

I'm obligated to ask this question of Querying database part 5 topic in chapter Transactions of Database Management

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The correct answer is (d) Recovery

The explanation is: Recovery means to take the backup data while there is a crash.

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