Multiple choice technology databases

What is command code 'L'?

  1. Concatenated key

  2. path call

  3. first occurrence

  4. last occurrence
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Command code 'L' in IMS DL/I stands for 'Last' and retrieves the last occurrence of a segment type. This command is the opposite of 'F' (First) and is useful when you need to navigate to the end of a segment chain. The command codes provide directional navigation within the hierarchical database structure.

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