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Introduction to Database System

Introduction to Database System
An entity class is a collection of entities and is described by the structure of the entities in that class.

False
True

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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?

Log file
Master file
Specialized file
Update file

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Introduction to Database System
A report generator is used to

data entry
update files
all of the listed here
print files on paper

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Introduction to Database System
Which of the following indicates the maximum number of entities that can be involved in a relationship?

Minimum cardinality
Greater Entity Count (GEC)
Maximum cardinality
ERD

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Introduction to Database System
Any table that meets the definition of a relation is said to be in first normal form.

True
False

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Introduction to Database System
In SQL, which command is used to select data in rows and column from one or more tables?

BROWSE
None of these
CHOOSE
SELECT
LIST

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