It is a GUI client for mysql databases. It use only GTK+. You don't need GNOME to use it.
With gmysqlcc, you can :
- manage your server list
- Execute all SQL queries you want
- dump queries, tables, databases and servers ...
- ... Look to the features in TODO file
To simplify, do do all what you want on your mysql database server.
To know how to install, look INSTALL file.