Data Models Quiz

The terms data model and database model are often used interchangeably.

• True

• False

An implementation-ready data model should contain a description of the data structure that will store the end-user data.

• True

• False

A data model is usually graphical.

• True

• False

Data modeling starts with a very complex representation, and as knowledge of the problem is gained, the model is simplified.

• True

• False

Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain.

• True

• False

Database designers determine the data and information that yield the required understanding of the entire business.

• True

• False

A manager and a programmer usually have the same view of the same data.

• True

• False

Business rules apply to businesses and government groups, but not to other types of organizations such as religious groups or research laboratories.

• True

• False

In an SQL-based relational database, each table is dependent on another.

• True

• False

Business rules must be rendered in writing.

• True

• False