Though often used during the development of a new software system to aid in analysis and planning, data flow diagrams give unparalleled insight into every instance where data is potentially vulnerable ...

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.

Figure 3: An example data flow diagram demonstrates how data moves and interacts throughout the system. (Source: Beningo Embedded Group) You’ll notice that some data assets don’t interact. The orphan ...

The flow diagram is shown in Output 5.12.1. data dataflow; input a $ b $ id1 $ 5-22 id2 $ 24-37 id3 $ 39-57 style; datalines; A B Data Definition: PROC FSEDIT, SAS/AF, etc. 2 B C Data Manipulation: ...