Computer Science Assignment
1. Describe the characteristics a table must have to be considered a relation.
2. Define the term domain, and explain the significance of the domain integrity constraint to a relation.
3. Using EARe notation to define its entity, give an original example of a table that is not a proper relation. Explain what makes it not a relation.
4. Under what circumstances can a relation have duplicate rows?
5. Define the term non-unique key and give an original example with non-unique keys, using EARe notation to define its entity.
6. Give an original example of a relation with a unique composite key, using EARe notation to define its entity.
7. What is a surrogate key, and under what circumstances would you use one?
8. Explain the term foreign key and give an original example, using EARe notation to define its entity.
Format your assignment according to the following formatting requirements:
1. The answer should be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.
2. The response also include a cover page containing the title of the assignment, the student's name, the course title, and the date. The cover page is not included in the required page length.
3. Also Include a reference page. The Citations and references should follow APA format. The reference page is not included in the required page length.