January 2019
Intermediate to advanced
286 pages
7h 41m
English
Content preview from Advanced MySQL 8
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Case study 1 – an example of how to optimize a complex query
We will explore in this case study a complex step-by-step query such as the following:
- How to format a complex query
- Run and analyze an execution plan
- Optimize a complex query
When we have a query that runs in production and is complex, we need to format it so that we can have more clarity and can easily optimize it.
Here is our request (not formatted):
Here is our formatted query:
Here is the EXPLAIN plan:
Let's analyze the query together.
The first problem observed from the output ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.