Introduction to DAX: What Every Power BI User Should Know
Learn DAX basics in Power BI – calculated columns vs measures, row and filter context, X functions, and Time Intelligence.
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Star vs Snowflake Schema: Which to Choose in Power BI
Learn the difference between Star and Snowflake schema in a Power BI data model – when to choose which, and why simplicity usually wins.
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Data Model and Relationships in Power BI: Why They Matter
Learn what a Power BI data model is, what relationship types exist, how filter direction works, and data model best practices.
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Power Query: The First Step Toward Clean Power BI Data
Learn what Power Query and the ETL process are in Power BI – Extract, Transform, Load, common actions, and typical data preparation mistakes.
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What Is Power BI: Microsoft’s Data Analytics Tool
Learn what Power BI is, where it’s used, its ecosystem (Desktop, Service, Mobile, Gateway), and how to get started with this tool.
