Question
1. What is an entity supertype, and why is it used? 2. What kinds of data would you store in an entity subtype? 3. What
1. What is an entity supertype, and why is it used? 2. What kinds of data would you store in an entity subtype? 3. What is a specialization hierarchy? 4. What is an overlapping subtype? Give an example. 5. What is the difference between partial completeness and total completeness?
8. Is it possible for a book to appear in the BOOK table without appearing in the PRODUCT table? Why or why not? 9. Under what circumstances are composite primary keys appropriate? 10. What is Aggregation and Composition? 11. What is Generalization and Specialization?
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started