Question

Why do we emphasize conflict serializability rather than view serializability?

Answer 1

Answer:

Because conflict-seriliazability needs in simple algorithms for its checking, while checking of view-seriliazability belongs to NP-complete problems.

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Answer 2

Answer: The main reasons of emphasizing conflict serializability rather than view serializability is that It is very expensive to check and analyting the general algorithm form of view serializability than conflict serializability.

Conflict serializability.

Any conflicting operations are ordered by conflict serializability in a manner similar to some serial execution. If all of the conditions are met, two operations are said to be in conflict if they pertain to different transactions.

View serializability

• Checking the view serializability of a given schedule determines whether it is view serializable or not.

• It is necessary to determine whether a particular schedule is View Equivalent to its serial schedule before determining whether it is view serializability.

• View serializability is required because a non-serial schedule may cause the database to become inconsistent.

To learn more about database, refer these links.

https://brainly.in/question/18439270

https://brainly.in/question/6082155

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