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Introduction to Database System

Introduction to Database System
An attribute describes the entity's characteristics.

True
False

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Introduction to Database System
In order to use a record management system

You need to understand the low-level details of how information in stored
All of these
Both (a) and (b)
None of these
You need to understand the model the record management system uses.

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Introduction to Database System
Data security threats include

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

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Introduction to Database System
A number of related records that are treated as a unit is called

data
file
field
batch

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Introduction to Database System
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?

Subtype entity
Instance entity
Archetype entity
Supertype entity

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Introduction to Database System
It is more accurate to define a _____ as a variety of different record types that are treated as a single unit

Record
Flat File
Database
Table
None of these

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