Edit the Data Source View used for a Mining Structure
Applies to: 
SQL Server 2019 and earlier Analysis Services 
Azure Analysis Services
Fabric/Power BI Premium
Important
Data mining was deprecated in SQL Server 2017 Analysis Services and now discontinued in SQL Server 2022 Analysis Services. Documentation is not updated for deprecated and discontinued features. To learn more, see Analysis Services backward compatibility.
You can open a data source view from within Data Mining Designer so that you can modify it.
To access Data Source View Designer from the Mining Structure tab in Data Mining Designer
Right-click in the Data Source View pane and select Edit Data Source View.
Data Source View Designer opens in a new tab in SQL Server Data Tools.