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Introduction to Database System

Introduction to Database System
A relation is in this form if it is in BCNF and has no multivalued dependencies:

fourth normal form.
second normal form.
domain/key normal form.
third normal form.

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Introduction to Database System
Which of the following hardware components is the most important to the operation of a database management system?

plotter
printer
high speed, large-capacity disk
high-resolution video display

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Introduction to Database System
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?

Master file
Specialized file
Update file
Log file

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

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

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Introduction to Database System
A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance.

False
True

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Introduction to Database System
In a relation, the rows are sometimes called "records".

False
True

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