Multiple choice technology databases

A segment has 3 occurrences for a parent. This segment is called a

  1. multiple

  2. twin

  3. sibling

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In IMS DB, multiple occurrences of the same segment type under a single parent segment are called twins. Sibling refers to segments of different types under the same parent, and multiple is a general descriptor rather than the technical DL/I term.

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