HP Integrity NonStop J-Series - Manual (Page 109)

CREATING AND RUNNING A MULTIFILE APPLICATION
Associating and Linking Boxes
• If you delete a parent record before you delete a matching
child record, you can no longer retrieve the child record.
Since the matching parent record no longer exists, the child
record does not qualify for the application-access path.
Sample Three-Level Tree Structure. Figure 5-13 shows a
three-level tree structure and the SET TREE command that builds
this structure.
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