Multiple choice technology mainframe

When you access an existing record or add a new one, you can obtain the ISN and use it subsequently to re-access the record

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Internal Sequence Number (ISN) uniquely identifies each record in Adabas. When you access or create a record, Adabas returns its ISN. You can store this ISN and use it for fast direct re-access to the same record without searching, which is a fundamental performance optimization technique.

Keep practicing — related questions