You might need to optimize your wordpress database to improve performance or simply clean the junk data. Here are some of the widely used database optimizers for wordpress that are easy to install, manage and use.
DBOptimizer
This plugin is just a simple tool that may be useful to keep your wordpress databases optimized. This helps you delete spam comments and revised posts from the database.
This plugin also rename one username to another username, it’s designed to rename default “Admin” user to your desired name.
WP-Optimize
WP-Optimize is a wordpress 2.7 + database cleanup and optimization plugin. It doesn’t require PhpMyAdmin to optimize your database tables. It allows you to remove post revisions, comments in the spam queue, un-approved comments within few clicks.
WP DB Optimizer
This plugin lets you optimize your database tables without the need of using PHPMyAdmin details in one flick for high performance.
This automatically optimizes your database tables and is very easy to install and manage.
