1. Give examples of 1:1, 1:N, and N:M relationships (other than those presented in chapter 5). Draw two E-R diagrams for each of your examples: one using the traditional diamond notation and one using IE Crow’s Foot notation.

  
 

2. Describe the relationship between the structure of forms and reports and the data model.

3. Explain the difference between IS-A and HAS-A relationships.

4. Explain why the data modeling process must be iterative. Use the Highline University example.

Transcribed Image Text:

AGENT 1:1 CAR AGENT VEHICLE AGENT 1:1 CAR AGENT VEHICLE

Answer rating: 100% (QA)

Solution 1 Solution 3 An ISA relationship is inheritance The classes which inherit are known ... View the full answer