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 using the DBDGEN utility. There is one DBD per physical database, and it is required by DL/I to interpret the database structures.

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