Optimizing MySQL Queries with LEFT JOIN
This week, I wanted to share some of my recent experiments with MySQL queries in regard to lowering the number of requests sent to the database server and, hopefully, avoiding the bottleneck that can form on sites that rely heavily on database interaction.
What Are MySQL Joins?
A JOIN in MySQL is a tool that allows developers to combine one or more tables in a query. There are a few flavors of JOIN, but we’ll be focusing on LEFT JOIN today.
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