Using the Applied Steps list
Any transformations to your data will show in the Applied Steps list. For instance, if you change the first column name, it will display in the Applied Steps list as Renamed Columns.
Selecting any step will show you the results of that particular step, so you can see exactly how your data changes as you add steps to the query.
Access the Applied Steps list
Select the View tab from the ribbon, and then select Query Settings.
The Query Settings menu will open to the right with the Applied Steps list.
To rename a step, right-click the step and select Rename.
Enter in the name you want, and then either select Enter or click away from the step.
To delete a step, right-click the step and select Delete.
Alternatively, select the x next to the step.
Delete until end
To delete a series of steps, right-click the first step of the series and select Delete until end. This action will delete the selected step and all the subsequent steps.
Select Delete in the new window.
The following image shows the Applied steps list after using the Delete until end.
Insert step after
To add a new step, right-click on the last step in the list and select Insert step after.
To insert a new intermediate step, right-click on a step and select Insert step after. Then select Insert on the new window.
To set a transformation for the new step, select the new step in the list and make the change to the data. It will automatically link the transformation to the selected step.
To move a step up one position in the list, right-click the step and select Move up.
To move a step down one position in the list, right-click the step and select Move down.
Alternatively, or to move more than a single position, drag and drop the step to the desired location.
Extract the previous steps into query
You can also separate a series of transformations into a different query. This allows the query to be referenced for other sources, which can be helpful if you're trying to apply the same transformation to multiple datasets. To extract all the previous steps into a new query, right-click the first step you do not want to include in the query and select Extract Previous.
Name the new query and select OK. To access the new query, navigate to the Queries pane on the left side of the screen.
Edit step names and their descriptions
To edit the step, right-click the step and select Properties.
In the window, you can change the step name and description and save the changes by selecting OK.
Adding a description to a step will add a small icon next to the step to denote that the step has a description. You can hover over this icon to display the description as a tooltip.
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