Clean up your database by deleting unused data such as 'revision', optimize your database, or reset it to its initial state, etc.
Manual and automatic Cleaning of data tables (MyISAM or InnoDB)
Easy WP Cleaner is user friendly plugin to clean unnecessary data from WordPress database and also allows you to optimize your WordPress database.
Adds extra and individual menus for all available post/page statuses like drafts, pending, trash including count of number of posts in each status.
WP Clean Up can help us to clean up the wordpress database by removing "revision" "draft" "auto draft" and so on.