Explain Snapshot Replication?

1.	Explain Snapshot Replication?
Answer» Snapshot REPLICATION can be used when an APPLICATION does not require that the data always be CURRENT. These applications can be updated by periodic table copying or snapshots. As part of the snapshot effort, all of the data to be INCLUDED in the snapshot is collected at a primary point. Then a read-only snapshot is taken and the snapshot is sent to each site so that the update can be made. Snapshot replication can be used when an application does not require that the data always be current. These applications can be updated by periodic table copying or snapshots. As part of the snapshot effort, all of the data to be included in the snapshot is collected at a primary point. Then a read-only snapshot is taken and the snapshot is sent to each site so that the update can be made.

Answer»

Snapshot REPLICATION can be used when an APPLICATION does not require that the data always be CURRENT. These applications can be updated by periodic table copying or snapshots. As part of the snapshot effort, all of the data to be INCLUDED in the snapshot is collected at a primary point. Then a read-only snapshot is taken and the snapshot is sent to each site so that the update can be made.

Snapshot replication can be used when an application does not require that the data always be current. These applications can be updated by periodic table copying or snapshots. As part of the snapshot effort, all of the data to be included in the snapshot is collected at a primary point. Then a read-only snapshot is taken and the snapshot is sent to each site so that the update can be made.

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?