Chapter 10 Building Data Transformation Diagrams


Data Flows (ILM)

A data flow connects and conveys data between data inputs (for example, a database input), actions (for example, a script execution) and data outputs (for example, an XML output).

A data flow is represented as an oriented link:


Note   Dragging a data flow to a different object
You can change the object at either end of a data flow by clicking the data flow to select it, and dragging one of the attach points to a different object.

The following illustration shows a data flow linking a database input to a data query execution and another data flow linking the same data query execution to an XML output:


When you link two objects with a data flow, the data structure of the destination object is initialized with the data structure of the source object.

The changes you perform on the data structure column of a source object are automatically applied to the data structure column of the target object.

 


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