What is the primary purpose of a 'Data Dictionary' in system analysis ?

2026

What is the primary purpose of a 'Data Dictionary' in system analysis ?

  1. A.

    To maintain runtime data instances and support real-time query execution

  2. B.

    To act as a centralized repository for enforcing transaction consistency and concurrency control

  3. C.

    To provide version-controlled storage of data schemas along with rollback capabilities

  4. D.

    To define metadata including structure, relationships, constraints, and semantics of data elements across the system

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Correct answer: D

The primary purpose of a Data Dictionary in system analysis is to define metadata including structure, relationships, constraints, and semantics of data elements across the system. It acts as a centralized repository for this information, ensuring consistency and clarity in data definitions.

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