Which layer of a three-schema DBMS architecture describes how data is physically stored?
Options
- A. External level
- B. Conceptual level
- C. Internal level
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
C. Internal level
Detailed Explanation
- Internal level: Describes the physical storage structure of the database.
- Conceptual level: Describes the overall logical structure of the database.
- External level: Describes individual user views of the database.