My voices of the ElePHPant Interview :)

Here is an interview of me talking about EXPLAIN FORMAT=JSON, optimizer trace, cost model, MySQL Workbench and even a little Performance Schema.

Some links that I recommend checking out:

• MySQL Workbench Visual Explain
• Index Statistics from SYS (Performance Schema) showing unused Indexes
• Slides from My talk that was mentioned
• Øystein’s slides on analyzing query performance
• Olav’s slides on Cost Model