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Introduction to Database System

Introduction to Database System
Data security threats include

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

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

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

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

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

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Introduction to Database System
In SQL, which command(s) is(are) used to create a synonym for a schema object?

CREATE SCHEMA
CREATE SAME
All of the listed here
CREATE SYNONYM

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Introduction to Database System
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?

Instance entity
Subtype entity
Archetype entity
Supertype entity

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Introduction to Database System
The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?

Bits
Characters
Data field
None of the listed here

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