Joe Hesse on "Query from non-wp database"

I have another database on my server besides the wordpress one.

I want to do a query on a table in this database and have the result of the query appear in a wordpress page.

I know MySQL and can pick up the necessary PHP.

Please point me to some documentation that will help me. I just have to see some examples and will be able to figure it out. Perhaps something like how to write PHP code to create a wordpress page

Thank you,
Joe Hesse