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Introduction to Database System

Introduction to Database System
In SQL, which command is used to changes data in a table?

BROWSE
APPEND
UPDATE
INSERT

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Introduction to Database System
A ternary relationship is so called because in contains two entities and one association between them.

False
True

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Introduction to Database System
The data dictionary tells the DBMS

what attribute are possessed by the data
what files are in the database
All of the listed here
what these files contain

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Introduction to Database System
An identifier typically uses more than one attribute.

False
True

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Introduction to Database System
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?

Many-to-Many Relationship
Composite Relationship
One-to-Many Relationship
One-to-One Relationship

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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

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

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