This 2-day course takes an in-depth approach to the DAX language, teaching designers how to build models that extend the capabilities of source data for more in-depth, customized business intelligence solutions. Topics covered include proper understanding of DAX evaluation, controlling evaluation context, understanding relational functions, error handling within the data model, working with complex time intelligence calculations.
Duration: 2 DaysPrerequisites:
The knowledge and skills that the learner should have before attending this course are as follows:
- Data Model Design using Power BI Desktop – Level 2
Lesson 1: Basic DAX Functionality
- Review of Calculated Columns
- Review of Measures
- Rules of Evaluation
- Evaluation Context
- Formatting DAX Code
Lesson 2: Controlling Content & Values
- Controlling Values – DAX
- Error Handling
Lesson 3: Content Control Functions
- Iterative Functions
- The FILTER Function
- The ALL Function
- The CALCULATE Function
Lesson 4: Contexts In Relationships
- Working With Many Tables
- Row Context & Relationships
- Elevated Calculated Columns
- Filter Context & Relationships
- Cross Filtering Issues
Lesson 5: Time Intelligence Functions
- Calculating Operating Periods
- To-Date Functions
- Controlling Totals
- Advanced Date Functions
- Prior Year Functions
Lesson 6: Appendix – Advanced Concepts
- Additional Uses Of The ALL Function
- Advanced Data Tables
- Working with Missing Periods
- Working with Non-standard Years
- Parameter Tables
- Banding