Problem
1. Why are the values of surrogate keys normally hidden from users on forms, queries, and reports?
2. Explain the term foreign key and give an example.
3. Explain how primary keys and foreign keys are denoted in this book.
4. Define the term referential integrity constraint and give an example of one.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.