Here is a new Blog posting on how to constuct Cross-Connection SQL. Querying disparate databases can be very handy. In this posting one of our domain experts discusses how these queries work and how to optimize them.
http://toadworld.com/Blogs/tabid/67/EntryId/964/How-To-Write-a-Cross-Database-Query.aspx
Enjoy!
Debbie Peabody