Once installed, the dashboard page can be found at
dashboard/system/environment/sqlinfo.
In the dashboard menu, select 'System and Settings' and then look for SQL Info under the Environment group.
Provides a dashboard page to show information about the mySQL database and environment:
Use the 'Plain Text' button to toggle the output to plain text for copy/paste to emails, forums, bug reports and support requests.
See http://dev.mysql.com/doc/refman/5.0/en/show-variables.html for more details about the information provided.