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How do I synchronize multiple MySQL databases for my retail locations with a central host server?
How do I synchronize multiple MySQL databases for my retail locations with a central host server?
Synchronizing Two MySQL Databases
As you maintain separate MySQL databases for each retail location, it's crucial to ensure their synchronization with a central host server database. This allows changes made at individual locations to be reflected on the host, maintaining data integrity and facilitating centralized reporting.
Replication: A Proven Solution
Database replication is an effective approach to achieve database synchronization. It involves setting up a primary (master) database for writing operations and one or more secondary (slave) databases for read operations. By configuring these databases appropriately, you can ensure that all changes made on the master database are automatically propagated to the slaves.
Essential Guidelines for Setup:
- Establish a dedicated master server for data writing.
- Designate one or more additional servers as slaves for data reading.
- Avoid inserting data into the same tables on both master and slave databases. This can lead to primary key conflicts since each row must have a unique identifier.
- Monitor your servers regularly to ensure smooth operation.
Additional Resources for Replication Setup:
- http://www.ghacks.net/2009/04/09/set-up-mysql-database-replication/
- http://dev.mysql.com/doc/refman/5.5/en/replication-howto.html
- http://www.lassosoft.com/Beginners-Guide-to-MySQL-Replication
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