Multiple choice technology databases

Which of the following is true about DBD ?

  1. multiple DBD s for each database

  2. none of these

  3. cannot be used by DL/I

  4. created by a process called DBDGEN
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A Database Description (DBD) defines the physical structure of an IMS database and is compiled into a control block using the DBDGEN utility. Only one DBD exists per physical database definition, and it is actively used by DL/I to manage database access.

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