Entries categorized as Concurrency

Concurrency

On June 17, 2009 / By admin / In Oracle / No Comments
What is concurrency?   Cuncurrency is allowing simultaneous access of same data by different users. Locks useful for accesing 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) Read More...

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