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Power Query Cookbook
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Once you become more confident with modifying existing steps that were created using the UI, you can further explore M language by creating elements such as values, lists, or tables without connecting to data sources, but directly coding from the Advanced Editor. In this recipe, we will see how M language works when writing queries from scratch. You will perform numerical operations, define variables, and create lists and simple tables.
In this recipe, you need to download the FactInternetSales.csv
file.
In this example, we will refer to the C:\Data
folder.
Once you open your Power BI Desktop application, you are ready to perform the following steps:
Figure 7.33 – Text/CSV connector
Figure 7.34 – Blank query