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Introduction to Database System

Introduction to Database System
The main idea behind computer files is that it is convenient to

access them
create them
store information together
arrange them

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Introduction to Database System
In the DBM approach, application programs perform the

storage function
all of the listed here
processing functions
access control

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Introduction to Database System
If you want your database to include methods, you should use a _____ database.

Network
Object-Oriented
Hierarchical
Distributed

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Introduction to Database System
A candidate key is a determinant that determines all the other columns is a relation.

True
False

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Introduction to Database System
In SQL, which command is used to select only one copy of each set of duplicable rows

SELECT UNIQUE
None of these
All of these
SELECT DIFFERENT
SELECT DISTINCT

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Introduction to Database System
An Enterprise Resource Planning application is an example of a(n) ________ .

data mining database application
e-commerce database application
single-user database application
multiuser database application

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