Practice The Database Environment Multiple Choice Questions with Answers Quiz-3

Q.1.

An enterprise data model is:

Q.2.

Metadata enables database designers and users to do all of the following except:

Q.3.

Duplicate data often results in loss of data integrity because:

Q.4.

An enterprise database is which of the following?

Q.5.

Database management systems were first introduced in the 1950s.

Q.6.

Databases that contain historical and summarized information are usually called data warehouses.

Q.7.

A shared database should:

Q.8.

Legacy data is which of the following?

Q.9.

A database management system (DBMS) is a:

hardware system used to create, maintain, and provide controlled access to a database.
hardware system used to create, maintain, and provide uncontrolled access to a database.
software system used to create, maintain, and provide controlled access to a database.
software system used to create, maintain, and provide uncontrolled access to a database.

Q.10.

Structured data may include which of the following?

Q.11.

An advantage of the database approach is the creation of maximum data redundancy.

Q.12.

An enterprise data model is a relational model that shows the high-level entities for the organization and associations among those entities.

Q.13.

Data administrators are responsible for:

Q.14.

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

Q.15.

Which of the following types of databases are the most common?