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What is concurrency in oracle?

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What is concurrency in oracle?
posted Oct 9, 2014 by Vidhya Sagar

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1 Answer

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Best answer

Concurrency is allowing simultaneous access of same data by different users.

Locks useful for accessing the database are

a) Exclusive: The exclusive lock is useful for locking the row when an insert, update or delete is being done. This lock should not be applied when we do only select from the row.

b) Share lock: We can do the table as Share Lock as many share locks can be put on the same resource.

answer Oct 10, 2014 by Arun Gowda
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