Walkthrough: Using Multiple SQL Adapters in an Orchestration
http://msdn2.microsoft.com/en-us/library/aa561090.aspx
This article shows you how to use multiple SQL Adatpers in a single orchestration. As we know, the Add Adapter Wizard always generates a new blank orchestration in the BizTalk project, so we have to combine more orchestrations into a final one.
This article also shows you how to combine the orchestrations step by step.