Time for action—running and previewing the hello_world transformation
Let's do some testing and explore the results:
- Open the
- Edit the Generate Rows step, and change the limit from
1000so that it generates 1,000 rows.
- Select the Logging tab window at the bottom of the screen.
- Click on Run.
- In the Log level drop-down list, select RowLevel detail.
- Click on Launch.
- You can see how the logging window shows every task in a very detailed way.
- Edit the Generate Rows step, and change the limit to 10,000 so that it generates 10,000 rows.
- Select the Step Metrics.
- Run the transformation.
- You can see how the numbers change as the rows ...