use the DbQuery to display the results of a query on a settings page.
An example of a DbQuery might be to display the modified date of the most recent record in your content.
<DbQuery caption="" dataSourceName="" description="" rowmax="100">SQL Statement</DbQuery>
Caption is used as a caption next the result of the query.
DataSourceName is system datasource used for the query. Default is 'default'.
RowMax is the limit of rows that should be returned. The default is 100.