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What is meant by database replication?
Replication is the process of copying data from a central database to one or more databases. The central database is called the publication database because it provides the data for users at other sites. The data in the publication database is copied (replicated) to subscription databases at other locations.
How does database replication work?
The data in the publication database is copied (replicated) to subscription databases at other locations. All users whether connected to the publisher server (the Publisher) or to a server at one of the remote sites (a Subscriber) see the same data and work on the same records.
What is the benefit of replication?
Replication allows you to increase this durability guarantee by ensuring that data modifications are written to multiple machines. This means that multiple disks, disk controllers, power supplies, and CPUs are used to ensure that your data modification makes it to stable storage.
What do you need to know about database replication?
database replication. Share this item with your network: Database replication is the frequent electronic copying of data from a database in one computer or server to a database in another so that all users share the same level of information.
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.
How does transactional replication work in SQL Server?
In the beginning of the transactional replication process, a snapshot is applied to the Subscriber and then data is continuously transferred from a master database to a database replica after being changed. Transactional replication is widely used as one-way replication.
How do I create a script for replication?
In the next dialog box, you can choose to create a publication or generate scripts to create the publication. Select Generate a script file to create the publication option to generate the scripts of replication steps. We will create the publication, so select Create the publication option and click Next.