Database Replication – What is it and why is it important?

Database replication is a service for shipping changes to your database, off to a copy housed on another server, potentially even in another data center. Each change to the records of information in your database or groups of them are organized into transactions.  These each get unique identifiers or change numbers.  Those groupings of changes …

NOSQL Database – What is it and why is it important?

NOSQL is a sort of all-encompassing term which includes very simple key/value databases like Memcache, along with more sophisticated non-relational databases such as Mongodb and Cassandra. Relational databases have been around since the 70’s so they’re a very mature technology.  In general they support transactions allowing you to make changes to your data in discrete, …