Using data lineage
Once the data factory is connected, it will send lineage information into your Purview environment for every pipeline that is run. Give it a try and create a Data Factory pipeline that copies data from one folder to another in your data lake. Remember: you are quickest when you use the Copy Data Wizard (or just use the MyFirstPipeline pipeline that you created in Chapter 5, Integrating Data in Your Modern Data Warehouse, if you used the data factory there).
When you are finished in the data factory, switch back to Purview, repeat your scan (again, this might take a few minutes), and search for the newly created file or the pipeline name, and in the asset details, check the Lineage tab:
Figure 14.22 – First lineage overview for a Data Factory Copy pipeline
When you check the lineage closely, you will see that you can drill down to the column level and reveal even the column mappings.
Imagine the power of this feature, when you...