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Displaying posts with tag: EXPLAIN FOR CONNECTION (reset)
Getting EXPLAIN information from already running queries in MySQL 5.7

When a new version of MySQL is about to be released we read a lot of blog posts about the performance and scalability improvements. That’s good but sometimes we miss some small features that can help us a lot in our day-to-day tasks. One good example is the blog post that Aurimas wrote about a new small feature in MySQL 5.6 that I didn’t know about until I read it: the Automatic InnoDB transaction log file size change. How cool is that?

I plan to write a series of blog posts that will show some of those small new features in MySQL 5.7 that are going to be really useful. I’m going to start with EXPLAIN FOR CONNECTION.

This feature allows us to run an EXPLAIN for an already running statement. Let’s say that you find a query …

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