Exam 6: Database Management Systems

The advantages of DBMSs include all of the following except for:

A__________ is a collection of related records.

The modeling technique that deals with data in entities and the relationships between entities is referred to as a(n):

A database management system enables the firm to reduce data redundancy and achieve data dependence.

Data mining, data marts, and data warehousing refer to the family of concepts that view the firm's data as a treasure box to be opened, examined, and conquered.

Entity- relationship diagrams give deeper insights into how data and applications work together than do class diagrams.

Another name for the process- oriented approach to creating a database is the problem- oriented approach.

IBM developed the first database management system in 1965.

Firms want database programmers to be chosen from the most skilled personnel available.

__________typically show one record at a time, do not provide summary data, and generally do not aggregate data from many database tables.

Class diagrams are used to describe the data relationships and the actions that operate on the data in the relationships.

The data modeling technique that consists of the named class, fields in the class, and actions that act upon the class is called a(n):

Which database structure was the first database management system developed by GE?

What are the advantages and disadvantages of database management systems?

Which of the following is a disadvantage of DBMSs?

Which statement is false concerning database end users?

A__________ is a request for the database to display selected records.

Database operation represents a high level of specialization and selection.

In the data hierarchy, which of the following represents the smallest unit of data?

__________is a formal process for eliminating redundant data fields while preserving the ability of the database to add, modify, and delete records without causing errors.