Optimistic Concurrency Control (OCC)
In this lesson, we will describe a way through which the optimistic concurrency control method controls concurrent operations.
Optimistic concurrency control (OCC) is a concurrency control method that was first proposed in 1981 by
In this method, transactions execute in the following three phases:
- Begin
- Read & modify
- Validate & commit/rollback
Begin phase
In this phase, transactions are assigned a unique
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