WP-Optimize plugin is written to simplify your daily wordpress works and make it simpler. WP-Optimize is a wordpress 2.7++ database cleanup and optimization tool. 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. Additionally you can rename any username to another username too.
of course it can be much more better. This is a primary version of the plugin. Be kind thanks all