Power Query Discovery and connectivity to a wide range of data sources Highly interactive and intuitive experience for rapidly and iteratively building queries Consistency of experience, and parity of query capabilities over all data sources Joins across different data sources Ability to create custom views over data that can then be shared
Power Query An Excel add-in for Excel 2010 and higher Part of Power BI Desktop Identify and import external data Combine and transform multiple data sources Easy to use visual interface Power Query Language M
Data Sources
Demo: Connecting to Data Sources
Shaping Data
Shaping Data Format columns Transpose rows and columns Pivot/Unpivot columns Split Columns Rename columns Remove rows and columns Split columns Set data types Replace values Remove duplicates Merge and append queries Adding Columns Adding Keys Merging Columns Date and Time Calculations
Demo: Shaping Data
Power Query Formula Language (M) Code behind the GUI Functional Language Has more functionality than exposed by GUI Case Sensitive Can Use Parameters Contains Error Handling Functions
Demo: Advanced Data Shaping