Describe Concurrency Control?

1.	Describe Concurrency Control?
Answer» Concurrency control is the process managing simultaneous operations against a database so that database integrity is not COMPROMISED. There are two approaches to concurrency control. The pessimistic APPROACH involves LOCKING and the optimistic approach involves VERSIONING. Concurrency control is the process managing simultaneous operations against a database so that database integrity is not compromised. There are two approaches to concurrency control. The pessimistic approach involves locking and the optimistic approach involves versioning.

Answer»

Concurrency control is the process managing simultaneous operations against a database so that database integrity is not COMPROMISED. There are two approaches to concurrency control. The pessimistic APPROACH involves LOCKING and the optimistic approach involves VERSIONING.

Concurrency control is the process managing simultaneous operations against a database so that database integrity is not compromised. There are two approaches to concurrency control. The pessimistic approach involves locking and the optimistic approach involves versioning.

Discussion

No Comment Found

Related InterviewSolutions

What Is Lock Granularity?
In General, How Should The Boundaries Of A Transaction Be Defined?
Explain The Meaning Of The Expression Acid Transaction?
Explain The Necessity Of Defining Processing Rights And Responsibilities. How Are Such Responsibilities Enforced?
Explain How A Database Could Be Recovered Via Reprocessing. Why Is This Generally Not Feasible?
Define Rollback And Roll Forward?
Why Is It Important To Write To The Log Before Changing The Database Values?
Explain The Difference Between A Database Administrator And A Data Administrator?
What Is The Foreign Key?
What Is A Candidate Key?