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Explain lock based and validation based protocol with example.
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
database management systems
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k

Lock-based Protocols

Database systems equipped with lock-based protocols use a mechanism by which any transaction cannot read or write data until it acquires an appropriate lock on it.

Locks are of two kinds:

  • Binary Locks − A lock on a data item can be in two states; it is either …

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