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Question 47 - CITM-001 discussion

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__________ level describes what data is stored in the database and the relationships among the data

A.

Physical level

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A.

Physical level

B.

Logical level

Answers
B.

Logical level

C.

Conceptual level

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C.

Conceptual level

D.

Pictorial level

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D.

Pictorial level

Suggested answer: C

Explanation:

The conceptual level is a high-level description of the data and its relationships in the database, without specifying how the data is physically stored or implemented. It defines the main entities, attributes, and constraints for the entire database, and is independent of any specific database management system or application. The conceptual level is also known as the logical level, and it is usually represented by an entity-relationship diagram (ERD).Reference:Conceptual schema - Wikipedia,Navigating the Three Levels of Database Design: Conceptual, Logical, and Physical

asked 18/11/2024
Ramzi Smair
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