DataBase Management System › Database Concepts MCQs › Question #13427
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QWhich component of a DBMS describes the metadata and provides information about the structure and organization of the database?

ID: #13427 Database Concepts MCQs 166 views
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#13427Q ID
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Database Concepts MCQsTopic
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  • A Data dictionary ✔ ✖
  • B Transaction manager ✔ ✖
  • C Query optimizer ✔ ✖
  • D Concurrency control module ✔ ✖
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A data dictionary, also known as a catalog, is a user-accessible component of a DBMS that contains metadata about the database.
It describes the structure, organization, and relationships between data elements in the database.

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