Learn how to use PlanetScale to power your application.| planetscale.com
15.1.9 ALTER TABLE Statement| dev.mysql.com
17.10 InnoDB Row Formats| dev.mysql.com
How to add index to a big table of your Rails app When your application is successful, some of the tables can grow pretty big — I’m looking at you users table. If you’re curious enough, you periodically check how your database performs. If any slow query pops up in the metrics, there’s a great chance that some index is missing.| Arkency Blog