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SQL real-time replication

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SQL real-time replication

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  1. Real Time Database Replication for Increased Business Efficiencies Massive amounts of data are generated by modern businesses today with constant challenges to keep data online and accessible 24x7. Thus there is a need for a system to maintain, store, and manage data along with replacing old and outdated data. Of all the possibilities available today, SQL Server Replication is best placed to accommodate all these demands.

  2. SQL Server Replication copies and distributes data and database from one source to another. When this is programmed to run constantly it is SQL real-time replication of data. Apart from it, systems can be set to process and copy databases at fixed pre-decided intervals. There are several replication techniques such as one-way, one-to-many, many-to-one, and bi-directional, all of which leads to datasets being in sync with each other.

  3. One of the key tools for real-time database replication is transactional replication. In this method, data is copied from the publisher to one or more subscribers once and thereafter, transactions are delivered to one or all subscribers in real-time as and when they take place on the publisher. The primary copy of the data is carried in a process that is similar to taking a snapshot of the data of the publisher and forwarding it to the subscriber. As and when database users update, insert, or delete records on the publisher, SQL real-time replication tool forwards it to the subscriber concurrently.In a more refined process merge replication tool goes a step further and permits modifications of the same data on publishers and subscribers, even though subscribers might not be connected to the network.   

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