Savitha Nair writes "This article describes how to set up database replication in MySQL. MySQL replication allows you to have an exact copy of a database from a master server on another server (such as a slave). All updates to the database on the master server are immediately replicated to the database on the slave server so that both databases are in sync. This is not a backup method or policy because an accidentally issued DELETE or ALTER command will also be carried out on the slave; but replication can help protect against hardware failures."
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