'S lock' diaporamas de présentation

Unit :- 1

Unit :- 1. Concurrency Control. Introduction :-. The term Concurrency refers to the fact that DBMSs typically allow many transactions to access the same database at the same time.

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Database scalability and indexes

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Concurrency Control and Recovery

Concurrency Control and Recovery. In real life: users access the database concurrently, and systems crash. Concurrent access to the database also improves performance, yields better utilization of resources. BUT: if not careful, concurrent access can lead to incorrect database

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