
CREATING AND RUNNING A MULTIFILE APPLICATION
Associating and Linking Boxes
S5044-027
To Display and
Maintain Employee
Information
To Display and
Maintain Dependent
Information
To Display and
Maintain Department
Information
Application Purpose Possible Tree Structures
Employ-box
Depends-box
dep-key
emp-no
• • •
Dept-box
empnum
dept
Depends-box
Dep-key
emp-no
• • •
Dept-box
Depends-box
Dep-key
emp-no
• • •
Employ-box
empnum
dept
Deptnum
• • •
Employ-box
empnum
dept
Deptnum
• • •
Dept-box
Deptnum
• • •
Figure 5-8. Box Levels When Links Are Limited
5-17
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