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Your users have informed you that the Category property contains only a single value (delay) and should be removed. It also doesn't serve any other downstream purpose, and you and your team decide you want to remove it from the backing dataset.
🔨 Task Instructions
Open your “Training Pipeline Simulator” Pipeline Builder file.
In the right panel under your flight_alert_{yourname} dataset, click the Edit button.
You then see all the column of this data set, you will look for category and click the x to remove this column.
Now you can see in the right panel, under your data set name: 12/12 required columns and 1 column will be dropped.
Then save this operation by clicking the Save all changes white arrow on a green background at the top.
And then the hammer to Deploy all pipeline outputs, and then Deploy pipeline.
You can click View in the blue Successfully Deployed pipeline. pop-up at the top of your screen to see the progress of your build in a separate tab.