Exam 5: Database Management Systems

The information system which emulates the problem-solving techniques of humans is called a(n):

In a hierarchical database model, a child record may only have one parent.

The feature of a database management system that enables nontechnical users to access a database and to produce inquiry reports is the:

In a(n) ____________________ database model, data are logically organized into two-dimensional tables.

A description of a portion of a schema is referred to as a(n) ____________________.

A table is in second normal form (2NF), if it does not contain repeating groups.

A neural network is a software program that may be integrated into DSS or other software tools.

In the applications approach, a data change in one application before updating another applications could lead to

Data redundancy:

Analyzing collected historical data with multidimensional analytic tools and exploratory techniques is called _________________________.

A decision maker prepares a presentation in a suitable format for a given decision at a given point in time when using a(n):

Executive information systems use complex processing and calculations to determine a solution to a problem.

An object, event, or agent about which data are collected is called:

_________________________ are problems in a relation table caused by the existence of functional dependencies.

Database table _____________________each store one specific attribute of the type of things stored in a table.

Data warehousing and data mining are dependent on the massive data integration and data independence made possible through database technology.

Which of the following statements related to events-driven systems is false?

The ____ database model, as originally conceived, only allows text and numerical information to be stored in the database.

____________________ is the most popular data modeling approach.

Specifications for a database are often depicted using entity relationship diagrams.