Multiple choice technology databases

What must be completed before a GNP is issued with the database?

  1. All data must be sorted.

  2. All children must be grouped.

  3. The parent must be established

  4. All parents must be grouped.

  5. Finite control must be released.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

GNP (Get Next Parent) requires that the parent segment be established in the PCB before the call can be issued. Without a parent position established, DL/I cannot determine which parent's children to retrieve next. Option C correctly identifies this prerequisite.

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