PHYSICAL DATABASE DESIGN QUIZ

Which of the following is true for a relational database?

It is difficult to access data.

Complex programs have to be written for simple queries.

All of these

Data is represented by tables.

TRUE ANSWER : ?
YOUR ANSWER : ?

Database management systems were first introduced in the 1950s.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

The primary mechanism for providing context for data is metadata.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

An enterprise database is which of the following?

A database designed to support only users external to an organization

A database designed to support a single PC

A database designed to support a relatively small group

A database designed to support an entire organization

TRUE ANSWER : ?
YOUR ANSWER : ?

Structured data may include which of the following?

Photo image

Dates

Video clip

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

An extranet is which of the following?

The use of Internet protocols with limited access to company data by the company's customers and suppliers.

The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.

The use of Internet protocols with unlimited access to company data by people within an organization.

The use of Internet protocols with limited access to company data by people within an organization.

TRUE ANSWER : ?
YOUR ANSWER : ?

Data descriptions are stored in a central location called the depository.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

A shared database should:

be secure.

be accurate and available.

All of these

provide for backup and recovery.

TRUE ANSWER : ?
YOUR ANSWER : ?

Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

The database approach requires additional costs and risks.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?