Question 1

A __________ is a set of two or more multivalued attributes that are logically related.

Accepted Answer

The answer of A __________ is a set of two...

Question 2

The condition that causes the operation to be triggered.

Accepted Answer

A) condition 
B) user rule 
C) entity name 
D) user rule. 
A) condition 
B) user rule 
C) entity name 
D) user rule.

Question 3

A unary relationship is the most common type of relationship encountered in data modeling.

Accepted Answer

A) True 
 B)False

Question 4

Match each of the following terms with its corresponding definition.
-Specifies that if an entity instance of the supertype is a member of one subtype,it cannot simultaneously be a member of any other subtype.

Accepted Answer

A) unary relationship 
B) ternary relationship 
C) binary relationship 
D) relationship 
E) repeating group
F)associative entity
G)disjoint rule
H)overlap rule
I)partial specialization rule
J)total specialization rule 
A) unary relationship 
B) ternary relationship 
C) binary relationship 
D) relationship 
E) repeating group
F)associative entity
G)disjoint rule
H)overlap rule
I)partial specialization rule
J)total specialization rule

Question 5

A repeating group is a set of two or more multivalued attributes that are logically related.

Accepted Answer

A) True 
 B)False

Question 6

Match each of the following terms with its corresponding definition.
-Specifies that each entity instance of the supertype must be a member of some subtype in the relationship.

Accepted Answer

A) unary relationship 
B) ternary relationship 
C) binary relationship 
D) relationship 
E) repeating group
F)associative entity
G)disjoint rule
H)overlap rule
I)partial specialization rule
J)total specialization rule 
A) unary relationship 
B) ternary relationship 
C) binary relationship 
D) relationship 
E) repeating group
F)associative entity
G)disjoint rule
H)overlap rule
I)partial specialization rule
J)total specialization rule

Question 7

Triggers are constraints on valid values for attributes.

Accepted Answer

A) True 
 B)False

Question 8

A simultaneous relationship among instances of three entity types is a:

Accepted Answer

A) unary relationship 
B) binary relationship 
C) ternary relationship 
D) multiple occurrence 
A) unary relationship 
B) binary relationship 
C) ternary relationship 
D) multiple occurrence

Question 9

A join is an association between the instances of one or more entity types that is of interest to the organization.

Accepted Answer

A) True 
 B)False

Question 10

Some systems developers believe that a data model is the most important part of the statement of information system requirements because:

Accepted Answer

A) the characteristics of data captured during data modeling are crucial in the design of databases,programs,computer screens,and printed reports 
B) data rather than processes are the most complex aspects of many modern information systems and thus require a central role in structuring system requirements 
C) the characteristics about data are reasonably permanent 
D) all of the above 
A) the characteristics of data captured during data modeling are crucial in the design of databases,programs,computer screens,and printed reports 
B) data rather than processes are the most complex aspects of many modern information systems and thus require a central role in structuring system requirements 
C) the characteristics about data are reasonably permanent 
D) all of the above

Question 11

A set of two or more multivalued attributes that are logically related defines:

Accepted Answer

A) relationship 
B) gerund 
C) repeating group 
D) class 
A) relationship 
B) gerund 
C) repeating group 
D) class

Question 12

The __________ specifies that an entity instance can simultaneously be a member of two (or more)subtypes.

Accepted Answer

The answer of The __________ specifies that an entity instance...

Question 13

Specifications that preserve the integrity of the logical data model are:

Accepted Answer

A) requirements specifications 
B) integrity restrictions 
C) business limitations 
D) business rules 
A) requirements specifications 
B) integrity restrictions 
C) business limitations 
D) business rules

Question 14

A named property or characteristic of an entity that is of interest to the organization defines:

Accepted Answer

A) attribute 
B) relationship 
C) instance 
D) gerund 
A) attribute 
B) relationship 
C) instance 
D) gerund

Question 15

If each employee can have more than one skill,then SKILL is referred to as a:

Accepted Answer

A) gerund 
B) multivalued attribute 
C) nonexclusive attribute 
D) repeating attribute 
A) gerund 
B) multivalued attribute 
C) nonexclusive attribute 
D) repeating attribute

Question 16

Match each of the following terms with its corresponding definition.
-A collection of entities that share common properties or characteristics.

Accepted Answer

A) entity 
B) entity type 
C) attribute 
D) multivalued attribute 
E) entity instance
F)supertype
G)subtype 
A) entity 
B) entity type 
C) attribute 
D) multivalued attribute 
E) entity instance
F)supertype
G)subtype

Question 17

Match each of the following terms with its corresponding definition.
-An association between the instances of one or more entity types that is of interest to the organization.

Accepted Answer

A) unary relationship 
B) ternary relationship 
C) binary relationship 
D) relationship 
E) repeating group
F)associative entity
G)disjoint rule
H)overlap rule
I)partial specialization rule
J)total specialization rule 
A) unary relationship 
B) ternary relationship 
C) binary relationship 
D) relationship 
E) repeating group
F)associative entity
G)disjoint rule
H)overlap rule
I)partial specialization rule
J)total specialization rule

Question 18

A __________ is the set of all data types and range of values that an attribute can assume.

Accepted Answer

The answer of A __________ is the set of all...

Question 19

Cardinality is the number of instances of entity B that can (or must)be associated with each instance of entity A.

Accepted Answer

A) True 
 B)False

Question 20

A __________ is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations.

Accepted Answer

conceptual

A __________ is a set of two or more multivalued attributes that are logically related.

The condition that causes the operation to be triggered.

A unary relationship is the most common type of relationship encountered in data modeling.

Match each of the following terms with its corresponding definition. -Specifies that if an entity instance of the supertype is a member of one subtype,it cannot simultaneously be a member of any other subtype.

A repeating group is a set of two or more multivalued attributes that are logically related.

Match each of the following terms with its corresponding definition. -Specifies that each entity instance of the supertype must be a member of some subtype in the relationship.

Triggers are constraints on valid values for attributes.

A simultaneous relationship among instances of three entity types is a:

A join is an association between the instances of one or more entity types that is of interest to the organization.

Some systems developers believe that a data model is the most important part of the statement of information system requirements because:

A set of two or more multivalued attributes that are logically related defines:

The __________ specifies that an entity instance can simultaneously be a member of two (or more)subtypes.

Specifications that preserve the integrity of the logical data model are:

A named property or characteristic of an entity that is of interest to the organization defines:

If each employee can have more than one skill,then SKILL is referred to as a:

Match each of the following terms with its corresponding definition. -A collection of entities that share common properties or characteristics.

Match each of the following terms with its corresponding definition. -An association between the instances of one or more entity types that is of interest to the organization.

A __________ is the set of all data types and range of values that an attribute can assume.

Cardinality is the number of instances of entity B that can (or must)be associated with each instance of entity A.

A __________ is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations.

The Systems Development Environment

The Origins of Software

Managing the Information Systems Project

Identifying and Selecting Systems Development Projects

Initiating and Planning Systems Development Projects

Determining System Requirements

Structuring System Process Requirements

Designing Databases

Designing Forms and Reports

Designing Interfaces and Dialogues

Designing Distributed and Internet Systems

System Implementation

Maintaining Information Systems

Object-Oriented Analysis and Design: Use Cases

Object-Oriented Analysis and Design: Activity Diagrams

Objected-Oriented Analysis and Design: Object Modeling-Class Diagrams

Object-Oriented Analysis and Design: Sequence Diagrams

Filters

Exam 8: Structuring System Data Requirements

A __________ is a set of two or more multivalued attributes that are logically related.

The condition that causes the operation to be triggered.

A unary relationship is the most common type of relationship encountered in data modeling.

Match each of the following terms with its corresponding definition. -Specifies that if an entity instance of the supertype is a member of one subtype,it cannot simultaneously be a member of any other subtype.

A repeating group is a set of two or more multivalued attributes that are logically related.

Match each of the following terms with its corresponding definition. -Specifies that each entity instance of the supertype must be a member of some subtype in the relationship.

Triggers are constraints on valid values for attributes.

A simultaneous relationship among instances of three entity types is a:

A join is an association between the instances of one or more entity types that is of interest to the organization.

Some systems developers believe that a data model is the most important part of the statement of information system requirements because:

A set of two or more multivalued attributes that are logically related defines:

The __________ specifies that an entity instance can simultaneously be a member of two (or more)subtypes.

Specifications that preserve the integrity of the logical data model are:

A named property or characteristic of an entity that is of interest to the organization defines:

If each employee can have more than one skill,then SKILL is referred to as a:

Match each of the following terms with its corresponding definition. -A collection of entities that share common properties or characteristics.

Match each of the following terms with its corresponding definition. -An association between the instances of one or more entity types that is of interest to the organization.

A __________ is the set of all data types and range of values that an attribute can assume.

Cardinality is the number of instances of entity B that can (or must)be associated with each instance of entity A.

A __________ is a detailed model that captures the overall structure of organizational data that is independent of any database management system or other implementation considerations.

The Systems Development Environment

The Origins of Software

Managing the Information Systems Project

Identifying and Selecting Systems Development Projects

Initiating and Planning Systems Development Projects

Determining System Requirements

Structuring System Process Requirements

Designing Databases

Designing Forms and Reports

Designing Interfaces and Dialogues

Designing Distributed and Internet Systems

System Implementation

Maintaining Information Systems

Object-Oriented Analysis and Design: Use Cases

Object-Oriented Analysis and Design: Activity Diagrams

Objected-Oriented Analysis and Design: Object Modeling-Class Diagrams

Object-Oriented Analysis and Design: Sequence Diagrams

Filters