Question 1

A relationship name is a ________.

Accepted Answer

The answer of A relationship name is a ________....

Question 2

A ________ specifies the number of instances of one entity that can be associated with each instance of another entity.

Accepted Answer

A)  degree 
B)  cardinality constraint 
C)  counter constraint 
D)  limit 
A)  degree 
B)  cardinality constraint 
C)  counter constraint 
D)  limit

Question 3

In the figure below,the name of the relationship follows the guidelines for naming a relationship.

Accepted Answer

A) True 
 B)False

Question 4

A simultaneous relationship among the instances of three entity types is called a ________ relationship.

Accepted Answer

The answer of A simultaneous relationship among the instances of...

Question 5

Business rules are formulated from a collection of business ramblings.

Accepted Answer

A) True 
 B)False

Question 6

An entity type whose existence depends on another entity type is called a ________ entity.

Accepted Answer

A)  strong 
B)  weak 
C)  codependent 
D)  variant 
A)  strong 
B)  weak 
C)  codependent 
D)  variant

Question 7

A(n)________ is the relationship between a weak entity type and its owner.

Accepted Answer

A)  member chain 
B)  identifying relationship 
C)  jump path 
D)  chain link 
A)  member chain 
B)  identifying relationship 
C)  jump path 
D)  chain link

Question 8

An identifier should be chosen that has valid values and is not ________.

Accepted Answer

The answer of An identifier should be chosen that has...

Question 9

A single occurrence of an entity is called an entity instance.

Accepted Answer

A) True 
 B)False

Question 10

It is desirable that no two attributes across all entity types have the same name.

Accepted Answer

A) True 
 B)False

Question 11

In the following diagram,which answer is true?

Accepted Answer

A)  Each employee can supervise one to many employees. 
B)  Each employee can manage many departments. 
C)  Each employee works in more than one department. 
D)  All of the above. 
A)  Each employee can supervise one to many employees. 
B)  Each employee can manage many departments. 
C)  Each employee works in more than one department. 
D)  All of the above.

Question 12

A ________ is a statement that defines or constrains some aspect of the business.

Accepted Answer

The answer of A ________ is a statement that defines...

Question 13

What is the difference between an entity type and an entity instance?

Accepted Answer

An entity type is a collection of entiti

Question 14

A business rule is a statement of how a policy is enforced or conducted.

Accepted Answer

A) True 
 B)False

Question 15

A(n)________ entity type exists independently of other entity types.

Accepted Answer

The answer of A(n)________ entity type exists independently of other...

Question 16

A good data definition will all of the characteristics of a data object EXCEPT:

Accepted Answer

A)  subtleties. 
B)  examples. 
C)  who determines the value of the data. 
D)  who can delete the data. 
A)  subtleties. 
B)  examples. 
C)  who determines the value of the data. 
D)  who can delete the data.

Question 17

A value that indicates the date or time of a data value is called a(n):

Accepted Answer

A)  value stamp. 
B)  time stamp. 
C)  checkpoint. 
D)  check counter. 
A)  value stamp. 
B)  time stamp. 
C)  checkpoint. 
D)  check counter.

Question 18

What is an attribute on a relationship?

Accepted Answer

Like an entity,a relationship

Question 19

A simple attribute can be broken down into smaller pieces.

Accepted Answer

A) True 
 B)False

Question 20

The number of entity types that participate in a relationship is called the ________ of the relationship.

Accepted Answer

The answer of The number of entity types that participate...

A relationship name is a ________.

A ________ specifies the number of instances of one entity that can be associated with each instance of another entity.

In the figure below,the name of the relationship follows the guidelines for naming a relationship.

A simultaneous relationship among the instances of three entity types is called a ________ relationship.

Business rules are formulated from a collection of business ramblings.

An entity type whose existence depends on another entity type is called a ________ entity.

A(n)________ is the relationship between a weak entity type and its owner.

An identifier should be chosen that has valid values and is not ________.

A single occurrence of an entity is called an entity instance.

It is desirable that no two attributes across all entity types have the same name.

In the following diagram,which answer is true?

A ________ is a statement that defines or constrains some aspect of the business.

What is the difference between an entity type and an entity instance?

A business rule is a statement of how a policy is enforced or conducted.

A(n)________ entity type exists independently of other entity types.

A good data definition will all of the characteristics of a data object EXCEPT:

A value that indicates the date or time of a data value is called a(n):

What is an attribute on a relationship?

A simple attribute can be broken down into smaller pieces.

The number of entity types that participate in a relationship is called the ________ of the relationship.

The Database Environment and Development Process

The Enhanced E-R Model and Business Rules

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

Data and Database Administration

Distributed Databases

Object-Oriented Data Modeling

Using Relational Databases to Provide Object Persistence

Filters

Exam 2: Modeling Data in the Organization

A relationship name is a ________.

A ________ specifies the number of instances of one entity that can be associated with each instance of another entity.

In the figure below,the name of the relationship follows the guidelines for naming a relationship.

A simultaneous relationship among the instances of three entity types is called a ________ relationship.

Business rules are formulated from a collection of business ramblings.

An entity type whose existence depends on another entity type is called a ________ entity.

A(n)________ is the relationship between a weak entity type and its owner.

An identifier should be chosen that has valid values and is not ________.

A single occurrence of an entity is called an entity instance.

It is desirable that no two attributes across all entity types have the same name.

In the following diagram,which answer is true?

A ________ is a statement that defines or constrains some aspect of the business.

What is the difference between an entity type and an entity instance?

A business rule is a statement of how a policy is enforced or conducted.

A(n)________ entity type exists independently of other entity types.

A good data definition will all of the characteristics of a data object EXCEPT:

A value that indicates the date or time of a data value is called a(n):

What is an attribute on a relationship?

A simple attribute can be broken down into smaller pieces.

The number of entity types that participate in a relationship is called the ________ of the relationship.

The Database Environment and Development Process

The Enhanced E-R Model and Business Rules

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

Data and Database Administration

Distributed Databases

Object-Oriented Data Modeling

Using Relational Databases to Provide Object Persistence

Filters