A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

Introduction to Database System
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

All of these

None of these

a compound key consisting of the first name and the last name

the pin code

the last name

All of these

None of these

a compound key consisting of the first name and the last name

the pin code

the last name

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Introduction to Database System
Updating a database means

modifying or adding record occurrences

all of the listed here

reorganizing the database

revising the file structure

modifying or adding record occurrences

all of the listed here

reorganizing the database

revising the file structure

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Introduction to Database System
In SQL, which command is used to create a database user?

CREATE USER

MK USER

All of the listed here

ADD USER TO DATABASE

CREATE USER

MK USER

All of the listed here

ADD USER TO DATABASE

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Introduction to Database System
The way a particular application views the data from the data base that the application uses is a :

module

None of these

schema

relational model

subschema

module

None of these

schema

relational model

subschema

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Introduction to Database System
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

ID-dependent entity

ID-independent entity

Weak entity

Strong entity

ID-dependent entity

ID-independent entity

Weak entity

Strong entity

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Introduction to Database System
With respect to data input, the most accurate description of batch control is

None of these

comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system

All of these

dividing documents to be entered into batches

controlling the input of each input clerk

None of these

comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system

All of these

dividing documents to be entered into batches

controlling the input of each input clerk

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Introduction to Database System

Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

Introduction to Database System Updating a database means

Introduction to Database System In SQL, which command is used to create a database user?

Introduction to Database System The way a particular application views the data from the data base that the application uses is a :

Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

Introduction to Database System With respect to data input, the most accurate description of batch control is

Introduction to Database System
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

Introduction to Database System
Updating a database means

Introduction to Database System
In SQL, which command is used to create a database user?

Introduction to Database System
The way a particular application views the data from the data base that the application uses is a :

Introduction to Database System
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

Introduction to Database System
With respect to data input, the most accurate description of batch control is