Hp Integrity NonStop J-Series Manuel d'utilisateur Page 110

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CREATING AND RUNNING A MULTIFILE APPLICATION
Associating and Linking Boxes
S5044-032
SET APPL TREE(06 employ-box
08 depend-box LINK empnum TO OPTIONAL emp-no
08 empcov-box LINK employ-box TO OPTIONAL empcov-box VIA empnu
m
10 cov-box LINK cov-type TO OPTIONAL insur-id)
Level 1
Level 2
Join
Fields
Form a
Link
Level 2
Level 3
Employ-box
empnum
empname
• • •
Depend-box
Dep-key
emp-no
dependent-no
• • •
Cov-box
insur-type
insur-name
• • •
Empcov-box
primkey
empnum
cov-type
Join
Fields
Form a
Link
Figure 5-13. Sample Three-Level Tree Structure
Figure 5-14 shows the screen displayed by an application
generated with this tree structure. Note the following:
1. A label ("empnum") from "employ-box" appears first on the
screen.
5-26
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