MDX in Analysis Services Series of Tutorials

Tutorial 1: MDX Concepts and Navigation
Tutorial 2: Intermediate Concepts - Part 1
Tutorial 3: Intermediate Concepts - Part 2
Tutorial 4: Retrieve Data from Multiple Cubes
Tutorial 5: Measuring Change over Time
Tutorial 6: Using Sets in MDX Queries
Tutorial 7: Calculated Members: Introduction
Tutorial 8: Calculated Members: Further Considerations and Perspectives
Tutorial 9: Calculated Members: Leveraging Member Properties
Tutorial 10: Optimizing MDX: Control Location of Processing
Tutorial 11: Optimizing MDX: More on Location, and the Importance of Arrangement
Tutorial 12: Optimizing MDX: Caching and Other Considerations
Tutorial 13: Named Sets in MDX: An Introduction
Tutorial 14: Introducing DISTINCT COUNT
Tutorial 15: Mastering Time: Change across Periods
Article 16: Mastering Time: Period - to - Date Aggregations
Article 17: Create a Cube-Based Hierarchical Picklist
Article 18: Mastering Time: Introduction to Moving Averages
Article 18: Mastering Time: Introduction to Moving Averages
Article 19: Mastering Time: Moving Averages - Another Approach
Article 20: Enhancing CROSSJOIN() with Calculated Members