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Explain Locking based concurrency control protocols.
written 7.9 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.6 years ago by gravatar for DevarenjiniP DevarenjiniP • 3.2k

Subject: Distributed Database

Topic: Distributed Transaction & Concurrency Control

Difficulty: Medium
distributed databases
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written 3.6 years ago by gravatar for DevarenjiniP DevarenjiniP • 3.2k

Concurrency control

  • Concurrency controlling techniques ensure that multiple transactions are executed simultaneously while maintaining the ACID properties of the transactions.

  • Simultaneous execution of transactions overashared database can create several data integrity and consistency problems.

    • Lost Update
    • Dirty Read Problems
    • İncorrect Summary Problems
    • Unrepeatable Read Problem

  • The various approaches for concurrency …

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