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

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Introduction to Database System
Data security threats include

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

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

Insert
Look-up
All of the listed here
Modify

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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
ADD COLUMN
ALTER TABLE
MODIFY TABLE

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