Setup a MemSQL Cluster in Debian 8

MemSQL is a distributed database that perform its transactions in memory, although the user can deliberately choose to store things on disk should they wish. This results in extremely low latency and high throughput and is perfect for real-time systems. MemSQL Introduction Video For this tutorial, I am going to…

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MySql Left Joins

This is a medium level tutorial for SQL. If you are new to SQL/databases, you may want to check out this beginner's guide to SQL. Let's start with the definition of a left join (also called the "left outer join") from W3 Schools. "The LEFT JOIN keyword returns all…

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