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Seven7Seven Seven7Seven
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Posts: 470
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6 years ago
________ is a component of the relational data model included to specify business rules to maintain the integrity of data when they are manipulated.
 
  A) Business rule constraint
  B) Data integrity
  C) Business integrity
  D) Data structure

 Q. 2

The traditional methodology used to develop, maintain and replace information systems is called the:
 
  A) Enterprise Resource Model.
  B) Systems Development Life Cycle.
  C) Unified Model.
  D) Systems Deployment Life Cycle.

 Q. 3

A two-dimensional table of data is called a:
 
  A) group.
  B) set.
  C) declaration.
  D) relation.

 Q. 4

A person's name, birthday, and social security number are all examples of:
 
  A) attributes.
  B) entities.
  C) relationships.
  D) descriptors.

 Q. 5

Database development begins with ________, which establishes the range and general contents of organizational databases.
 
  A) database design
  B) cross-functional analysis
  C) departmental data modeling
  D) enterprise data modeling

 Q. 6

The relational data model consists of which components?
 
  A) Data structure
  B) Data manipulation
  C) Data integrity
  D) All of the above

 Q. 7

An attribute that must have a value for every entity (or relationship) instance is a(n):
 
  A) composite attribute.
  B) required attribute.
  C) optional attribute.
  D) multivalued attribute.

 Q. 8

Languages, menus, and other facilities by which users interact with the database are collectively called a(n):
 
  A) client.
  B) user interface.
  C) icon.
  D) development environment.
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6 years ago
Ans. to #1

B

Ans. to #2

B

Ans. to #3

D

Ans. to #4

A

Ans. to #5

D

Ans. to #6

D

Ans. to #7

B

Ans. to #8

B
Seven7Seven Author
wrote...
6 years ago
Above and beyond my expectations for this site
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