Ljubljana, Slovenia

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Mon, Apr 10, 2017

MySQL tips for developers

Having more than a decade of experience with MySQL, there are a few tricks I picked up over the years that I believe should be in the arsenal of every developer who works with this database more than just superficially. I’m going to list a quick break-down of them from the top of my head.

Outperforming MySQL by hand

There is this SQL table, right? This is the part where you knowingly nod and prepare yourself for a long story about how a database is as good as the person designing it. Let's call this table an access log. For the sake of argument, let's also say it's 30GB in size, has a 100 million rows, and only has an auto_increment PK ID field. Your task is, should you choose to accept it, to retrieve the last hour of entries in this log table.