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Database Management- Final Exam

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DATABASE MANAGEMENT- FINAL EXAM

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DATABASE MANAGEMENT: FINAL EXAM
A database is an organized collection of ________ related data - Answers - logically

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

Program-data dependence is caused by: - Answers - file descriptors being stored in
each application.

Because applications are often developed independently in file processing systems: -
Answers - unplanned duplicate data files are the rule rather than the exception.

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

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

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

Data that describe the properties of other data are: - Answers - metadata

All of the following are properties of metadata EXCEPT - Answers - processing logic

A person, place, object, event, or concept about which the organization wishes to
maintain - Answers - entity

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

All of the following are primary purposes of a database management system (DBMS)
EXCEPT: - Answers - providing an integrated development environment.

With the database approach, data descriptions are stored in a central location known as
a: - Answers - repository

Which organizational function should set database standards? - Answers - none

Which of the following is NOT an advantage of database systems - Answers -
redundant data

The most common source of database failures in organizations is - Answers - failure to
implement a strong database administration function.

, A rule that CANNOT be violated by database users is called a: - Answers - constraint

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

One of the most popular RAD methods is: - Answers - prototyping

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

The traditional methodology used to develop, maintain and replace information systems
is called the - Answers - Systems Development Life Cycle (SDLC)

Database development begins with ________, which establishes the range and general
contents of organizational databases - Answers - Enterprise Data Modeling

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

A knowledge base of information or facts about an enterprise is called a(n): - Answers -
repository

Which of the following is NOT a cost and/or risk of the database approach - Answers -
Improved responsiveness

A workgroup database is stored on a central device called a: - Answers - server

Which of the following is NOT an objective that drove the development and evolution of
database technology? - Answers - The desire to require programmers to write all file
handling functionality

E. F. Codd developed the relational model in the: - Answers - 1970's

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

The logical representation of an organization's data is called a(n): - Answers - entity-
relationship model

A good data definition will describe all of the characteristics of a data object EXCEPT: -
Answers - who can delete the data

A fact is an association between two or more: - Answers - terms

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Subido en
20 de diciembre de 2024
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12
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2024/2025
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