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Introduction to Database System

Introduction to Database System
A relation is in 5NF when multivalued dependencies are isolated in their own relation.

False
True

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Introduction to Database System
1:1, 1:N and N:M relationships are also known as HAS-A relationships.

False
True

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Introduction to Database System
One data dictionary software package is called

any of the above
DB/DC dictionary
ACCESS
None of these
TOTAL

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Introduction to Database System
In SQL, which command(s) is(are) used to enable/disable a database trigger?

ALTER TRIGGER
All of the listed here
MODIFY USER
CHANGE USER

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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
When using a database management system, the first thing that you must do is to

load the software into your micro¬computer
keep a floppy disk in readiness
create a database file
activate file editor

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