Database Management System Quiz

Data is the result of interpreting facts to reveal meaning.

• True

• False

A data warehouse can store data derived from many sources.

• True

• False

Unstructured data is data that exists in the format in which it was collected (raw state). While Structured data is the result of formatting unstructured data to enable storage, use, and generation of information.

• True

• False

A good Database Management System (DBMS) will perform well even with a badly designed database.

• True

• False

Thorough database planning and design is important to ensure that data is properly used to give the organization the most benefit.

• True

• False

Structural dependence exists when it is possible to make changes in the file structure without affecting the application program's ability to access the data.

• True

• False

Data redundancy exists when data is duplicated and stored unnecessarily at different places.

• True

• False

One of the advantages of a database system over previous data management approaches is reduced costs.

• True

• False

The term database system refers to an organization of components that define and regulate the collection, storage, management, and use of data within a database environment.

• True

• False

It is unnecessary for the database designer to determine which data to enter into the database and how to organize that data in the database management system.

• True

• False