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Discovering Database Replication Techniques in RDBMS

Data replication is a key factor to achieve scalability and fault tolerance in databases as it maintains several clones of data objects. A change made in data automatically triggers carrying out similar changes in each of the replica. A number of data replication techniques have been proposed in the contemporary literature due to its large scale application in the real world like astronomy, high energy physics and biology. In this study we provide a critical analysis of these techniques.