Question 1

Both E-R model and object-oriented models are centered around:

Accepted Answer

A)  objects. 
B)  encapsulation. 
C)  polymorphism. 
D)  object diagrams. 
A)  objects. 
B)  encapsulation. 
C)  polymorphism. 
D)  object diagrams.

Question 2

Both Object-oriented and E-R objects exhibit behaviors.

Accepted Answer

A) True 
 B)False

Question 3

When an operation may apply to two or more classes in different ways, this is known as polymorphism.

Accepted Answer

A) True 
 B)False

Question 4

A UML is a graph of instances that are compatible with a given class diagram.

Accepted Answer

A) True 
 B)False

Question 5

A(n) ________ is an attribute of a class that specifies a value common to an entire class.

Accepted Answer

A)  completion attribute 
B)  class-scope attribute 
C)  overall descriptor 
D)  summary descriptor 
A)  completion attribute 
B)  class-scope attribute 
C)  overall descriptor 
D)  summary descriptor

Question 6

A duplicity specification in a class diagram is shown as a text string representing an interval (or intervals) of integers.

Accepted Answer

A) True 
 B)False

Question 7

The implementation of an operation is called a(n):

Accepted Answer

A)  attribute. 
B)  class. 
C)  method. 
D)  object. 
A)  attribute. 
B)  class. 
C)  method. 
D)  object.

Question 8

Which type of operation has side effects?

Accepted Answer

A)  Update 
B)  Append 
C)  Query 
D)  Scope 
A)  Update 
B)  Append 
C)  Query 
D)  Scope

Question 9

Each role has a duplicity, which indicates how many objects participate in a given relationship.

Accepted Answer

A) True 
 B)False

Question 10

An association class is an association that participates in no relationships.

Accepted Answer

A) True 
 B)False

Question 11

________ indicates how many objects participate in a given relationship.

Accepted Answer

A)  Bound 
B)  Multiplicity 
C)  Role 
D)  Relationship 
A)  Bound 
B)  Multiplicity 
C)  Role 
D)  Relationship

Question 12

According to the UML Notation Guide, complete means:

Accepted Answer

A)  a descendant may come from more than one supertype. 
B)  a descendant may be not descended from more than one of the subclasses. 
C)  all subclasses have been specified, and no others are expected. 
D)  the list of objects is NOT stable. 
A)  a descendant may come from more than one supertype. 
B)  a descendant may be not descended from more than one of the subclasses. 
C)  all subclasses have been specified, and no others are expected. 
D)  the list of objects is NOT stable.

Question 13

Aggregation is a part-of relationship between a component object and an aggregate object.

Accepted Answer

A) True 
 B)False

Question 14

Encapsulation is the technique of hiding the internal implementation details of an object from its external view.

Accepted Answer

A) True 
 B)False

Question 15

A ________ is the implementation of an operation.

Accepted Answer

A)  meta-operation 
B)  method 
C)  query 
D)  constructor 
A)  meta-operation 
B)  method 
C)  query 
D)  constructor

Question 16

{disjoint, complete} is an example of a UML:

Accepted Answer

A)  expansion. 
B)  HTML link. 
C)  business rule constraint. 
D)  database clause. 
A)  expansion. 
B)  HTML link. 
C)  business rule constraint. 
D)  database clause.

Question 17

What is an association and an association role?

Accepted Answer

An association is a named rela

Question 18

A(n) ________ defines the form or protocol of an operation, but not its implementation.

Accepted Answer

A)  meta-operation 
B)  inquisitor 
C)  abstract operation 
D)  operation descriptor 
A)  meta-operation 
B)  inquisitor 
C)  abstract operation 
D)  operation descriptor

Question 19

A query operation does not alter the state of an object.

Accepted Answer

A) True 
 B)False

Question 20

Encapsulation is the technique of hiding the internal implementation details of an object from its external view.

Accepted Answer

A) True 
 B)False

Both E-R model and object-oriented models are centered around:

Both Object-oriented and E-R objects exhibit behaviors.

When an operation may apply to two or more classes in different ways, this is known as polymorphism.

A UML is a graph of instances that are compatible with a given class diagram.

A(n) ________ is an attribute of a class that specifies a value common to an entire class.

A duplicity specification in a class diagram is shown as a text string representing an interval (or intervals) of integers.

The implementation of an operation is called a(n):

Which type of operation has side effects?

Each role has a duplicity, which indicates how many objects participate in a given relationship.

An association class is an association that participates in no relationships.

________ indicates how many objects participate in a given relationship.

According to the UML Notation Guide, complete means:

Aggregation is a part-of relationship between a component object and an aggregate object.

Encapsulation is the technique of hiding the internal implementation details of an object from its external view.

A ________ is the implementation of an operation.

{disjoint, complete} is an example of a UML:

What is an association and an association role?

A(n) ________ defines the form or protocol of an operation, but not its implementation.

A query operation does not alter the state of an object.

Encapsulation is the technique of hiding the internal implementation details of an object from its external view.

The Database Environment and Development Process

Modeling Data in the Organization

The Enhanced E-R Model

Logical Database Design and the Relational Model

Physical Database Design and Performance

Introduction to SQL

Advanced SQL

Database Application Development

Data Warehousing

Data Quality and Integration

Big Data and Analytics

Data and Database Administration

Distributed Databases

Filters

Exam 14: Object-Oriented Data Modeling

Both E-R model and object-oriented models are centered around:

Both Object-oriented and E-R objects exhibit behaviors.

When an operation may apply to two or more classes in different ways, this is known as polymorphism.

A UML is a graph of instances that are compatible with a given class diagram.

A(n) ________ is an attribute of a class that specifies a value common to an entire class.

A duplicity specification in a class diagram is shown as a text string representing an interval (or intervals) of integers.

The implementation of an operation is called a(n):

Which type of operation has side effects?

Each role has a duplicity, which indicates how many objects participate in a given relationship.

An association class is an association that participates in no relationships.

________ indicates how many objects participate in a given relationship.

According to the UML Notation Guide, complete means:

Aggregation is a part-of relationship between a component object and an aggregate object.

Encapsulation is the technique of hiding the internal implementation details of an object from its external view.

A ________ is the implementation of an operation.

{disjoint, complete} is an example of a UML:

What is an association and an association role?

A(n) ________ defines the form or protocol of an operation, but not its implementation.

A query operation does not alter the state of an object.

Encapsulation is the technique of hiding the internal implementation details of an object from its external view.

The Database Environment and Development Process

Modeling Data in the Organization

The Enhanced E-R Model

Logical Database Design and the Relational Model

Physical Database Design and Performance

Introduction to SQL

Advanced SQL

Database Application Development

Data Warehousing

Data Quality and Integration

Big Data and Analytics

Data and Database Administration

Distributed Databases

Filters