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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
If the record management system allows you to edit values before they are recorded on disk, you can

All of the listed here
change the width of a field
correct spelling changes before they are recorded
change the name of a field

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Introduction to Database System
In a relation, the columns are sometimes called "attributes".

True
False

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Introduction to Database System
A file that is organized in uniform format is formally referred to as a _____ or a database file.

None of these
Document
Record
Structured data file
Database

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Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

lower management
None of these
top management
middle management
All of these

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Introduction to Database System
In the relational model, relationships between relations or tables are created by using:

determinants.
composite keys.
foreign keys.
candidate keys.

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