Modern Database Management - Chapter 1

repository.

A centralized knowledge base of all data definitions, data relationships, screen and report formats, and other system components is called a(n):

Various operational data sources.

A data warehouse derives its data from:

logically

A database is an organized collection of ________ related data.

data model.

A graphical system used to capture the nature and relationships among data is called a(n):

repository.

A knowledge base of information on facts about an enterprise is called a(n):

entity.

A person, place, an object , an event or concept about which the organization wishes to maintain data is called a(n):

workgroup.

A relatively small team of people who collaborate on the same project is called a(n):

constraint.

A rule that CANNOT be violated by database users is called a:

a logical description of some portion of the database.

A user view is:

server.

A workgroup database is stored on a central device called a(n):

user view

A(n) ________ is often developed by identifying a form or report that a user needs on a regular basis.

providing an integrated development environment.

All of the following are primary purposes of a database management system (DBMS) EXCEPT:

processing logic.

All of the following are properties of metadata EXCEPT:

RAD.

An iterative methodology that rapidly repeats the analysis, design, and implementation phases of the SDLC is called:

unplanned duplicate data files are the rule rather than the exception.

Because applications are often developed independently in file processing systems:

automates the design of databases and application programs.

CASE is a class of tools that:

information.

Data processed in a way that increases a user's knowledge is:

none of the above.

Data that describe the properties of other data are:

enterprise data modeling

Database development begins with ________, which establishes the range and general contents of organizational databases.

all of the above.

Databases may be more expensive to maintain than files because of:

1970s.

E. F. Codd developed the relational model in the:

application programs.

In a file processing environment, descriptions for data and the logic for accessing the data are built into:

user interface.

Languages, menus, and other facilities by which users interact with the database are collectively called a(n):

legacy

Older systems that often contain data of poor quality are called ________ systems.

decision support.

One application of data warehouses is:

limited data sharing.

One disadvantage of file processing systems is:

prototyping.

One of the most popular RAD methods is:

80 percent

Organizations that utilize the file processing approach spend as much as ________ of their IS development budget on maintenance.

design

Organizing the database in computer disk storage is done in the ________ phase.

file descriptors being stored in each application.

Program-data dependence is caused by:

relation.

Relational databases establish the relationships between entities by means of common fields included in a file called a(n):

implementation

The SDLC phase in which database processing programs are created is the ________ phase.

analysis

The SDLC phase in which every data attribute is defined, every category of data is listed and every business relationship between data entities is defined is called the ________ phase.

analysis

The SDLC phase in which the detailed conceptual data model is created is the ________ phase.

failure to implement a strong database administration function.

The most common source of database failures in organizations is:

Organizational conflict

The need for consensus on data definitions is an example of which type of risk in the database environment?

1960s.

The period that can be considered a "proof of concept" time was the:

Internal

The three-schema approach includes which of the following schemas?

Systems Development Life Cycle.

The traditional methodology used to develop, maintain and replace information systems is called the:

Improved responsiveness

Which of the following is NOT a cost and/or risk of the database approach?

Redundant data

Which of the following is NOT an advantage of database systems?

The desire to require programmers to write all file handling functionality

Which of the following is NOT an objective that drove the development and evolution of database technology?

Data warehouse

Which of the following is an integrated decision support database with content derived from various operational databases?

Database management system (DBMS)

Which of the following is software used to create, maintain, and provide controlled access to databases?

Voice, Letters, Numbers

Which of the following types of data can be stored in a database?

Unstructured and unpredictable use of data

Which of the following will interfere with access to operational databases?

None of the above

Which organizational function should set database standards?

repository.

With the database approach, data descriptions are stored in a central location known as a(n):

Systems analysts

________ analyze the business situation and identify the need for information and information services to meet the problems or opportunities of the business.

Relationships

________ are established between entities in a well-structured database so that the desired information can be retrieved.

Database analysts

________ concentrate on determining the requirements for the database component of an information system.

Structured query language

________ is a tool even non-programmers can use to access information from a database.