With an example explain what a derived attribute is?
Fundamentals of Information Systems
8th Edition
ISBN:9781305082168
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter3: Database Systems And Applications
Section: Chapter Questions
Problem 2.1CTQ
Related questions
Question
. Short Answer:
1. With an example explain what a derived attribute is?
2. Explain levels of
3. What are weak Entities? How are they represented in database?
4. Define data model. Explain record-based data models using diagrams.
5. Explain difference between 1:1 and 1: M relationship.
II. Application
1. Draw any ER Diagram which demonstrates the following
a. Entity
b. Attribute
c. Multi-valued attribute
d. Composite attribute
e. Derived attribute
handwriting fo er diagram
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