Questions from Database Management

Q: How does the use of an agile methodology affect decisions regarding data

How does the use of an agile methodology affect decisions regarding data management?

Q: Explain why certain business environments favor specific database development methodologies. Highlight

Explain why certain business environments favor specific database development methodologies. Highlight the pros and cons of each methodology and the differences in the approaches to database developme...

Q: Explain the differences between user views, a conceptual schema, and

Explain the differences between user views, a conceptual schema, and an internal schema as different perspectives of the same database.

Q: In the three-schema architecture: a. The view

In the three-schema architecture: a. The view of a manager or other type of user is called the schema. b. The view of the data architect or data administrator is called the schema. c. The view of the...

Q: Revisit the section titled “Developing a Database Application for Pine Valley

Revisit the section titled “Developing a Database Application for Pine Valley Furniture Company.” What phase(s) of the database development process (Figure 1-9) do the activities that Chris performs i...

Q: Why might Pine Valley Furniture Company need a data warehouse?

Why might Pine Valley Furniture Company need a data warehouse?

Q: There are other extensions to ER notation than just supertype/subtype

There are other extensions to ER notation than just supertype/subtype relationships. Use the Internet to search for such extensions. One mentioned in the text is aggregation. Look for its examples on...

Q: Explain some of the advantages of large databases that organizations can benefit

Explain some of the advantages of large databases that organizations can benefit from considering how the amount of data processed and stored in databases will increase in the future.

Q: Define each of the following terms: a. entity type

Define each of the following terms: a. entity type b. entity-relationship model c. entity instance d. attribute e. relationship type f. strong entity type g. multivalued attribute h. associative entit...

Q: Discuss the main guidelines for defining relationships.

Discuss the main guidelines for defining relationships.