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In very simple terms, you can use the data pipeline object to copy data from one table to another and the way it works is something similar to DataWindow object even though not exactly.
As you know, using the DataWindow object when you are in the DataWindow painter, you can retrieve data from the database and do changes and save the changes back to the database, right from the painter. You don't have to do any programming except defining the SQL statement. Similarly, you can define the data pipeline in its painter and execute it and copy data between tables.
You need to have DataWindow control to use the DataWindow object at runtime. Right? You assign the DataWindow object to a DataWindow control and write all the script to the DataWindow control. Similarly, to use the data pipeline object at run-time, you need to use a user object of type Pipeline. All the definition is defined in the data pipeline object in its painter. You write all the script for the pipeline user object and other window controls.
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