Data Storage Backup and Replication: Effective Data Management to Ensure Optimum Performance and Business Continuity by Kotwal Nitin

Author:Kotwal, Nitin [Kotwal, Nitin]
Language: eng
Format: mobi
Publisher: Nitin Kotwal
Published: 2015-09-14T16:00:00+00:00

Snapshot replication: Data on one server is simply copied to another server, or to another database on the same server.

Merging replication: Data from two or more databases is combined into a single database.

Transactional replication: Users receive full initial copies of the database and then receive periodic updates as data changes.

A distributed database management system (DDBMS) ensures that changes, additions, and deletions performed on the data at any given location are automatically reflected in the data stored at all the other locations. Therefore, every user always sees data that is consistent with the data seen by all the other users.

Replication can be classified into two major categories based on where replicated data is stored. It can be Local or Remote.

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