What is a DBMS? Briefly describe the components of a DBMS.
Describe a primary key, candidate key, secondary key, foreign key, and a combination key. Use your imagination to provide an example of each key thatis not in the textbook.?
What are entity-relationship diagrams and how are they used? What symbol is used for a relationship? What is an associative entity? Provide anexample. Note: For the purpose of this assignment, you may use an ERD not related to this specific case study.