The next release of Analysis Services, coming in SQL Server Yukon, will combine the best aspects of traditional OLAP-based analysis and relational reporting into one dimensional model--the Unified Dimensional Model (UDM).
Power Pivot and other self-service BI tools are not a replacement for a data mart or data warehouse. When used correctly for Personal BI, Team BI, prototypes or proofs-of-concept, you can achieve truly agile, rapid reporting success with Excel Power Pivot....More
Recently, I've been working with a consulting client to help them tame CPU usage. Typically, they're clocking over 20,000 queries and operations per second on their e-commerce SQL Server, but ran into an issue where CPU started spiking up above 90 percent for sustained periods of time....More