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What do you mean by replication in SQL?
Replication is a set of technologies for copying and distributing data and database objects from one database to another and then synchronizing between databases to maintain consistency.
When to use merge replication in SQL Server?
SQL Server Replication. Merge replication is primarily designed for mobile applications or distributed server applications that have possible data conflicts. Common scenarios include: exchanging data with mobile users; consumer point of sale (POS) applications; and integration of data from multiple sites.
What happens when you repair a SQL Server?
When you repair an instance of SQL Server: All missing or corrupt files are replaced. All missing or corrupt registry keys are replaced. All missing or invalid configuration values are set to default values.
When to use snapshot replication in SQL Server?
SQL Server Replication. Snapshot replication is used to provide the initial data set for transactional and merge replication; it can also be used when complete refreshes of data are appropriate. With these three types of replication, SQL Server provides a powerful and flexible system for synchronizing data across your enterprise.
How does merge replication work in SQL Server?
When the network connection is established between both database servers, merge replication agents detect changes made on both databases and modify databases to synchronize and update their state. Merge replication is similar to transactional replication, but data is replicated from the Publisher to the Subscriber and inversely.
Who is the publisher in SQL server replication?
A publisher is the main database copy on which publication is configured, making data available to other MS SQL servers that are configured to be used in the replication process. The Publisher can have more than one publication. A subscriber is a database that receives the replicated data from a publication.
How is peer to peer replication used in SQL Server?
Peer-to-peer replication can help scale out an application that uses a database. The main working principle is based on transactional replication. Below you can see how MS SQL Server peer-to-peer replication can be used between database servers that are distributed across the globe.
Is it possible to replication MS SQL Server 2008?
Replication will not work if you install MS SQL Server 2008 on the second machine. For example, if you want to configure MS SQL transactional replication, you can use the second database server (where the Subscriber is configured) of a version within two versions of the source database server on which the Publisher is configured.