1) A database is an organized collection of ________ related data.
A) logically
B) physically
C) loosely
D) badly
Answer: A
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2) Program-data dependence is caused by:
A) file descriptions being stored in each database application.
B) data descriptions being stored on a server.
C) data descriptions being written into programming code.
D) data cohabiting with programs.
Answer: A
3) Relational databases establish the relationships between entities by means of common fields
included in a file called a(n):
A) entity.
B) relationship.
C) relation.
D) association.
Answer: C
4) All of the following are properties of metadata EXCEPT:
A) data definitions.
B) processing logic.
C) rules or constraints.
D) data structures.
Answer: B
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5) With the database approach, data descriptions are stored in a central location known as a:
A) server.
B) mainframe.
C) PC.
D) repository.
Answer: D
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6) A rule that CANNOT be violated by database users is called a:
A) password.
B) constraint.
C) program.
D) view.
Answer: B
7) A centralized knowledge base of all data definitions, data relationships, screen and report
formats, and other system components is called a(n):
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A) index.
B) data warehouse.
C) repository.
D) database management system.
Answer: C
8) ________ analyze the business situation and identify the need for information and information
services to meet the problems or opportunities of the business.
A) Programmers
B) Users
C) Systems analysts
D) Database analysts
Answer: C
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9) Organizations that utilize the file processing approach spend only 20 percent of development
time on maintenance.
Answer: FALSE
10) Personal databases are designed to support a small group of individuals working together on
a project.
Answer: FALSE
11) Visual programming tools such as Visual Basic have made prototyping more difficult.
Answer: FALSE
12) The logical representation of an organization's data is called a(n):
A) database model.
B) entity-relationship model.
C) relationship systems design.
D) database entity diagram.
Answer: B
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13) A person's name, birthday, and social security number are all examples of:
A) attributes.
B) entities.
C) relationships.
D) descriptors.
Answer: A
14) In the following diagram, what type of relationship is depicted?
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A) Unary
B) Binary
C) Ternary
D) Quad
Answer: C
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15) An attribute that can be calculated from related attribute values is called a ________
attribute.
A) simple
B) composite
C) multivalued
D) derived
Answer: D
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16) An entity that associates the instances of one or more entity types and contains attributes
specific to the relationships is called a(n):
A) associative entity.
B) build entity.
C) gateway entity.
D) smush entity.
Answer: A
17) In the figure shown below, which of the following is true?
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A) A person can marry at most one person.
B) A person has to be married.
C) A person can marry more than one person, but that person can only be married to one person.
D) A person can marry more than one person.
Answer: A
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18) In the following diagram, which answer is true?
A) Each employee can supervise one employee, no employees or many employees.
B) Each employee can manage many departments.
C) Each employee works in more than one department.
D) Each employee was fired.
Answer: A
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19) A single occurrence of an entity is called an entity instance.
Answer: TRUE
Define key terms.
20) Data, rather than processes, are the most complex aspects of many modern information
systems.
Answer: TRUE
LO: 2.2: State reasons why many system developers and business leaders believe that data
modeling is the most important part of the systems development process with a high return on
investment.
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21) Some examples of attributes are: eye_color, weight, student_id, STUDENT.
Answer: FALSE
LO: 2.3: Write good names and definitions for entities, relationships, and attributes.
Difficulty: Moderate
22) The property by which subtype entities possess the values of all attributes of a supertype is
called:
A) hierarchy reception.
B) class management.
C) attribute inheritance.
D) generalization.
Answer: C
23) Which of the following is an objective of selecting a data type?
A) Represent a small number of possible values
B) Maximize storage space
C) Limit security
D) Improve data integrity
Answer: D
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24) A method to allow adjacent secondary memory space to contain rows from several tables is
called:
A) cluttering.
B) clustering.
C) concatenating.
D) compiling.
Answer: B
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25) ________ database specification indicates all the parameters for data storage that are then
input to database implementation.
A) Logical
B) Physical
C) Schematic
D) Conceptual
Answer: B
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26) In the figure below, the primary key for "Order Line" is which type of key?
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A) Composite
B) Foreign
C) Standard
D) Grouped
Answer: A
27) The normal form which removes any remaining functional dependencies because there was
more than one primary key for the same nonkeys is called:
A) fifth normal form.
B) fourth normal form.
C) Boyce-Codd normal form.
D) sixth normal form.
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Answer: C
28) Two or more attributes having different names but the same meaning are called:
A) homonyms.
B) aliases.
C) synonyms.
D) alternate attributes.
Answer: C
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29) An index on columns from two or more tables that come from the same domain of values is
called a:
A) bitmap index.
B) multivalued index.
C) join index.
D) transaction index.
Answer: C
30) A form of denormalization where the same data are purposely stored in multiple places in the
database is called:
A) data duplication.
B) data replication.
C) advanced placement.
D) horizontal partitioning.
Answer: B
31) One objective of selecting a data type is to minimize storage space.
Answer: TRUE
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32) In the figure below, what is depicted?
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A) A one-to-one relationship
B) A unary relationship
C) A one-to-many relationship
D) An associative entity
Answer: D
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33) An enterprise key is a foreign key whose value is unique across all relations.
Answer: FALSE
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