Architecture Vs Multiple Database Support

Oct 22, 2007 at 12:27 PM
Please tell any one...

In Presentation Layer to DataAccess Layer,

What I can achive if i will go only SQL Server 2005.?

What I can't achive if i will go multiple database?

1. Login Control in Asp.net 2.0, using Custom Membership (OracleMembershipProvider.cs ) it can support multiple database. All properties and methods of login control will support multiple database?

2. For Documetn Upload, Windows Sharepoint it will support multiple database?