EXPLAIN FORMAT=JSON Archives - Percona

Where the open source database community meets: Use code PERCONA75 and secure your spot for Percona Live. Register

Downloads

Blog

Contact Us

percona goat

Percona Blog - Tag - EXPLAIN FORMAT=JSON

Introduction to Troubleshooting Performance – Troubleshooting Slow Queries webinar: Q & A

EXPLAIN FORMAT=JSON wrap-up

February 22, 2016

EXPLAIN FORMAT=JSON: cost_info knows why optimizer prefers one index to another

January 25, 2016

EXPLAIN FORMAT=JSON has details for subqueries in HAVING, nested selects and subqueries that update values

December 29, 2015

EXPLAIN FORMAT=JSON: order_by_subqueries, group_by_subqueries details on subqueries in ORDER BY and GROUP BY

Far
Enough.

Said no pioneer ever.

Get Started

Open source database software from experts who stand with you in production. Forever free from lock-in and other corporate BS.

Connect

© 2026 Percona All Rights Reserved

|

|

|

|

Security Center

MySQL, PostgreSQL, InnoDB, MariaDB, MongoDB and Kubernetes are trademarks for their respective owners.

© 2026 Percona All Rights Reserved