1. Data Dictionary and Other Design Tools
Dr. Merle P. Martin
CSU Sacramento

2. Agenda The Structured Approach Data Dictionary Decision Tables
Structured English

3. Structured Approach
Figure 11-1, page 349

4. Data Dictionary Relationships of entities Figure 6-3, page 350
Notation
Figure 11-4, page 351
Data Process
Figure 11-5, page 354

5. Data Dictionary (continued)
Data Dictionary entry
Figure 11-6, page 354
Data Store entry
Figure 11-7, page 355
Data Element entry
Figure 11-8, page 356

6. Data Dictionary (continued)
Relationship to COBOL
Data Stores / Flows
FD / 01 Levels
Data Elements
05 Levels
Data Processes
PROCEDURE DIVISION

7. Decision Tables Generic - Fig. 11-9, pg. 356 Mutual Exclusivity
Megavideo Initial Table
Figure 11-10, page 358
Simplified Table
Figure 11-11, page 360
Example

8. Exercise What three (3) MIS courses should I take next semester?
Conditions?
Decision rules?
Actions?
Action entries?
Simplification?

9. Structured English Chapter 17 Figure 11-17, page 365
Converts directly to COBOL
and other languages
Example

10. Concepts to Remember Structured Approach Figure 11-2
Data Dictionary Elements
Relationship to COBOL
Decision Tables
Structured English