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INTRODUCTION TO DATABASE SYSTEM

Introduction to Database System
The Management Information system (MIS) structure with one main computer system is called a

centralized MIS structure
decentralized MIS structure
hierarchical MIS structure
distributed MIS structure

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Introduction to Database System
If a calculation is embedded in a form

the calculations are stored with the form
all of the listed here
the result of the calculations are printed in report
the result of the calculations are stored with the form

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Introduction to Database System
Data security threats include

hardware failure
all of the listed here
privacy invasion
fraudulent manipulation of data

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Introduction to Database System
An operation that will increase the length of a list is

All of the listed here
Modify
Insert
Look-up

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Introduction to Database System
In SQL, which command is used to add a column/integrity constraint to a table

INSERT COLUMN
ALTER TABLE
MODIFY TABLE
ADD COLUMN

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