When you create a Read transformation, you choose one of the following methods based on the resource you create the transformation from:
Create the transformation from a data object in the Model repository.
Perform the following steps to create a Read transformation from a data object in the Model repository:
Open the mapping in the editor.
Drag a data object from the
Object Explorer
to the editor view.
Select
Read
and click
OK
.
The Read transformation in the mapping contains the ports and properties of the data object.
Create the transformation using the mapping editor.
Use this method if you want to configure detailed Read transformation settings. You can also use this method if you want to base a Read transformation on a parameter.