Smart Cleanup Tools is an easy to use, powerful plugin for database cleanup with total of 30 cleanup tools. With this plugin you can remove data that is no longer in use, or it is unneeded. Also, it can help you restore database overhead and speed up database operations. Plugin supports WordPress multisite, and it has few tools designed for the Network administration.
You can schedule cleanup jobs to run at any time, they can run once or they can run on a repeat with selected period. All cleanup reports can be saved into files. All plugin settings and settings for scheduled jobs can be exported into file and later imported back.