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Introduction to Database System

Introduction to Database System
Data security threats include

all of the listed here
fraudulent manipulation of data
hardware failure
privacy invasion

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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?

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

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Introduction to Database System
In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.

False
True

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Introduction to Database System
If a calculation is embedded in a form

the result of the calculations are stored with the form
the result of the calculations are printed in report
the calculations are stored with the form
all of the listed here

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Introduction to Database System
A database has data and relationships.

False
True

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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?

Greater Entity Count (GEC)
ERD
Maximum cardinality
Minimum cardinality

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