Microsoft has finally launched the public version of "Microsoft Certified Architect : Database" certification.
The Database Architect program, the newest Technology Architect program under the Microsoft Certified Architect (MCA) umbrella, provides training and certification in Microsoft SQL Server to help you become a trusted database architect. The program ensures success in three ways.
Refer to http://www.microsoft.com/learning/mcp/architect/database/default.mspx for complete details.
My personal experience from the successful attempt for the same during BETA - Certification is real tough but worth the effort (costly but .. worth again !). Best part is we get to work and interact with best brains around on SQL Server across the world - an experience in itself.