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Introduction to Database System

Introduction to Database System
Relations are categorized into normal forms according to the referential integrity constraints that they have.

False
True

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

True
False

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Introduction to Database System
In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship.

False
True

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Introduction to Database System
In SQL, the CREATE VIEW command is used

to define a view of one or more tables or views
to recompile a table
to create a trigger
to recompile view

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

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

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Introduction to Database System
The data dictionary tells the DBMS

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

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