Question 1

Business rules must be rendered in writing.

Accepted Answer

A) True 
 B)False

Question 2

A(n) ____________________ in a hierarchical model is the equivalent of a record in a file system.

Accepted Answer

The answer of A(n) ____________________ in a hierarchical model is...

Question 3

VMS/VSAM is an example of a(n)  ____.

Accepted Answer

A)   hierarchical model
B)   file system data model
C)   relational data model
D)   XML data modelE) A) and B)
F) None of the above

Question 4

The terms data model and database model are often used interchangeably.

Accepted Answer

A) True 
 B)False

Question 5

One of the limitations of the ____ model is that there is a lack of standards.

Accepted Answer

A)   hierarchical
B)   network
C)   relational
D)   entity relationshipE) C) and D)
F) A) and C)

Question 6

Business rules are derived from ____.

Accepted Answer

A)   a detailed description of an organization's operations
B)   standards and practices developed over the years
C)   managers' recommendations
D)   governmental oversight organization standardsE) B) and C)
F) C) and D)

Question 7

A(n)  ____ model represents a global view of the database as viewed by the entire organization.

Accepted Answer

A)   external
B)   conceptual
C)   internal
D)   physicalE) A) and D)
F) A) and C)

Question 8

What components should an implementation-ready data model contain?

Accepted Answer

An implementation-ready data model shoul...

Question 9

A(n)  ____ enables a database administrator to define schema components.

Accepted Answer

A)   extensible markup language (XML) 
B)   data definition language (DDL) 
C)   unified modeling language (UML) 
D)   query languageE) None of the above
F) A) and B)

Question 10

The relational data model was developed in the ____.

Accepted Answer

A)   1960s
B)   1970s
C)   1980s
D)   1990sE) C) and D)
F) All of the above

Exam 3: Data Models

The terms data model and database model are often used interchangeably.

Correct Answer
verified

What components should an implementation-ready data model contain?

Correct Answer
verified
An implementation-ready data model shoul...
View Answer

A(n) ____ model represents a global view of the database as viewed by the entire organization.

Correct Answer
verified

A(n) ____________________ in a hierarchical model is the equivalent of a record in a file system.

Correct Answer
verified

The relational data model was developed in the ____.

Correct Answer
verified

VMS/VSAM is an example of a(n) ____.

Correct Answer
verified

Business rules are derived from ____.

Correct Answer
verified

Business rules must be rendered in writing.

Correct Answer
verified

A(n) ____ enables a database administrator to define schema components.

Correct Answer
verified

One of the limitations of the ____ model is that there is a lack of standards.

Correct Answer
verified

Exam 3: Data Models

The terms data model and database model are often used interchangeably.

Correct AnswerverifiedShow Answer

What components should an implementation-ready data model contain?

Correct AnswerverifiedAn implementation-ready data model shoul...View AnswerShow Answer

A(n) ____ model represents a global view of the database as viewed by the entire organization.

Correct AnswerverifiedShow Answer

A(n) ____________________ in a hierarchical model is the equivalent of a record in a file system.

Correct AnswerverifiedShow Answer

The relational data model was developed in the ____.

Correct AnswerverifiedShow Answer

VMS/VSAM is an example of a(n) ____.

Correct AnswerverifiedShow Answer

Business rules are derived from ____.

Correct AnswerverifiedShow Answer

Business rules must be rendered in writing.

Correct AnswerverifiedShow Answer

A(n) ____ enables a database administrator to define schema components.

Correct AnswerverifiedShow Answer

One of the limitations of the ____ model is that there is a lack of standards.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
An implementation-ready data model shoul...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified