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Introduction to Database System

Introduction to Database System
Which of the following is not a relational database?

Reflex
dBASE IV
FoxPro
4th Dimension

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Introduction to Database System
A tuple is a(n):

two dimensional table.
row of a table.
column of a table.
key of a table.

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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

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

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Introduction to Database System
A top-to-bottom relationship among the items in a database is established by a

All of the listed here
Network schema
Hierarchical schema
Relational schema

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

MODIFY TABLE
ALTER TABLE
INSERT COLUMN
ADD COLUMN

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Introduction to Database System
The relational database model was created by E.F. Codd.

True
False

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