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overlooked feature in Power BI Desktop, yet it's what sets Power BI apart from other tools on the market. This practical book serves as your fast-forward button for data modeling with Power BI, Analysis Services tabular, and SQL databases. It serves as a starting point for data modeling, as well as a handy refresher.

Author Markus Ehrenmueller-Jensen, founder of Savory Data, shows you the basic concepts of Power BI's semantic model with hands-on examples in DAX, Power Query, and T-SQL. If you're looking to build a data warehouse layer, chapters with T-SQL examples will get you started. You'll begin with simple steps and gradually solve more complex problems.

This book shows you how to:

• Normalize and denormalize with DAX, Power Query, and T-SQL
• Apply best practices for calculations, flags and indicators, time and date, role-playing dimensions and slowly changing dimensions
• Solve challenges such as binning, budget, localized models, composite models, and key value with DAX, Power Query, and T-SQL
• Discover and tackle performance issues by applying solutions in DAX, Power Query, and T-SQL
• Work with tables, relations, set operations, normal forms, dimensional modeling, and ETL