If you have been using WordPress for a while, then you should think absolutely about a clean up. Indeed, your database may be full of garbage that make your site sluggish and bloated, such as: revisions, drafts, spam comments, orphan options, orphan tables, etc. You should clean this unnecessary data to reduce the size of your database and improve efficiency when accessing tables.

Demo: https://sigmaplugin.com/downloads/wordpress-advanced-database-cleaner