7 2 homework activity module seven

Submit a Word document answering the below questions.

1. What is a DBMS? Briefly describe the components of a DBMS.

2. Describe a primary key, candidate key, secondary key, foreign key, and a combi- nation key. Use your imagination to provide an example of each key that is not in the textbook.

3. What are entity-relationship diagrams and how are they used? What symbol is used for a relationship? What is an associative entity? Provide an example.

Guidelines for Submission: Homework Activity Module Seven should follow these formatting guidelines: 1–2 pages, double spacing, 3 components of DMBSs are defined, 12-point Times New Roman font, one-inch margins, and APA citations.


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