Database replication,a technique to improve performance by having multiple copies of the database available to various user groups,is very seldom done in practice because it is too difficult to keep all the copies consistent.

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Database replication is a commonly used technique to improve performance and availability in modern data management systems. With advancements in technology, it has become easier to keep all the copies consistent through the use of synchronization mechanisms and automated tools, making database replication a viable and popular solution for many organizations.

Database Replication,a Technique to Improve Performance by Having Multiple Copies