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Accessing and Retrieving Data

In this chapter, we will cover the following recipes:

Viewing and analyzing M functions in the Query Editor
Establishing and managing connections to data sources
Building source queries for DirectQuery models
Importing data to Power BI Desktop models
Applying multiple filtering conditions
Choosing columns and column names
Transforming and cleansing source data
Creating custom and conditional columns
Integrating multiple queries
Choosing column data types
Visualizing the M library

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