One example would be a diagram that looks at authentication ... is gathered or stored should also be included in data flow diagrams. Data flow diagrams should become a living part of system ...

Examples of errors include forgetting to include a data flow or pointing an arrow in the wrong direction. A key reason why keeping data flow diagrams up-to-date is to address issues of system growth.

This example illustrates ... use of other parts of the SAS System) are colored cyan. Three ID variables are used to specify the text that is to be placed within each node. The flow diagram is shown in ...