Transactional replication with updating subscribers


The following is a list of the terms used with SQL Server Replication.A distribution database tracks the changes (to publications) that need to be replicated (from publishers).Replication may also be used as a master data distribution mechanism when periodic updates need to be propagated to intermittently connected systems.Replication is used in the following situations: Each of Virtuoso's replication modes have a specific suitability for various business scenarios.Database Replication and Synchronization are often considered arcane subjects, and the sole province of the DBA (database administrator).However, there are many scenarios that speak for the creative use of Replication services.

Transactional replication does not simply copy the net effect of data changes, but rather consistently and accurately replicates each change.However, with SQL Server 7 updateable copies of data can be replicated.This means that copies of the same data can be available on two different servers and should the data on one server be updated then that change will be replicated to (i.e. Back to Top An understanding of SQL Server Replication terminology is useful, but not essential, for setting up and maintaining a replicated system.Each of these two transactions also must be written to the subscriber.

Because of its near real-time nature, transactional replication is frequently used by two or more database administrators (DBAs) as a failover mechanism where more than a few minutes of downtime is not an option, e.g. In this regard, transactional replication has proven to be a reliable mechanism for backup databases.

For example, a customer’s account balance in a commercial bank’s publisher database initially reads ,000.


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