Questions from Database Management

Q: When should an attribute be linked to an entity via a relationship

When should an attribute be linked to an entity via a relationship?

Q: The chapter makes a distinction between a required attribute and an optional

The chapter makes a distinction between a required attribute and an optional attribute. Illustrate a required attribute with a relevant example.

Q: State the guidelines for naming entity types. Discuss why organizations customize

State the guidelines for naming entity types. Discuss why organizations customize a purchased data model.

Q: Give an example (other than those described in this chapter)

Give an example (other than those described in this chapter) for each of the following, and justify your answer: a. derived attribute b. multivalued attribute c. atomic attribute d. composite attribut...

Q: Provide examples (other than those described in this chapter) of

Provide examples (other than those described in this chapter) of multiple relationships, and explain why these examples best represent this type of relationship. Discuss the role of identifiers in mod...

Q: Discuss why the E-R model is a popular modeling tool

Discuss why the E-R model is a popular modeling tool.

Q: State a rule that says when to extract an attribute from one

State a rule that says when to extract an attribute from one entity type and place it in a linked entity type.

Q: Interview a DB analyst or systems administrator in your university or at

Interview a DB analyst or systems administrator in your university or at a local company that has adopted a packaged data model. Discuss how they adopted the model. What was the process of customizati...

Q: What are the special guidelines for naming relationships?

What are the special guidelines for naming relationships?

Q: Why is data modeling considered more important than process modeling?

Why is data modeling considered more important than process modeling?