Discussion2

Notes:

· Do your own reading/research to answer the questions below:

· Make sure to use your own words, NO copy/paste allowed. Grade of zero will be assigned for plagiarized work.

· Cite all the resources you used appropriately. 

· Your answer should be at least 1-2 lines per question.

Questions:

1. In your own words describe what an entity is - in terms of database?

2. In your own words describe what a weak entity is - in terms of database?

3. In your own words describe what an associative entity is - in terms of database?

4. In your own words describe what an attribute is - in terms of database?

5. In your own words describe what a unique attribute is - in terms of database?

6. In your own words describe what a composite attribute is - in terms of database?

7. In your own words describe what a multivalued attribute is - in terms of database?

8. In your own words describe what a derived attribute is - in terms of database?

9. In your own words describe what a optional attribute is - in terms of database?

10. In your own words describe what a candidate keys are - in terms of database?

11. In your own words describe what a relationship is - in terms of database?

12. In your own words describe what a binary relationship is - in terms of database?

13. In your own words describe what a unary relationship is - in terms of database?

14. In your own words describe what a ternary relationship is - in terms of database?