Manage SQL Database In WordPress, and this is a Step-By-Step Guide on – How to Optimize & Manage SQL Database in WordPress for Free.
Download & Install the WP-Optimize Free Plugin
From the WP-Optimize on the Admin Menu at the Left
Delete The Unused Data Tables in WordPress
The plugins that are not in use are deleted leave behind tables
If any plugin did not use it, you could Delete the same.
Always keep backups for your sites before deleting or maintaining any databases. Most recent Backups are still best to do.
If you use Lightsail by Amazon AWS, I have also written this post on how to take the backups manually & automatically.
Monitoring the DataBase
I hope this step-by-step tutorial will help you maintain the SQL Database tables for free, and it’s effortless to do.
Also, if you are using a MultiSite WordPress, always upgrade the Network after any changes to the database, this will ensure the proper working of all your domains.
To Monitor, your WordPress Database DB Query Monitor is another excellent plugin that helps Debug the SQL, and PHP errors on your blog.
Also, if you wish to monitor just your Database Queries on a Page, a lightweight plugin is UsageDD which gives you a small query monitor on every page at the bottom, it’s compatible with AMP Original plugin as well.
The best part it also shows the time a query took so that you can improve the page.
Database queries play a significant role in your SEO Strategy if you do that!