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Introduction to Database System

Introduction to Database System
A database has data and relationships.

True
False

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

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

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Introduction to Database System
Data security threats include

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

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Introduction to Database System
After you _____ a record, many data management the environments require you to issue a command to save the changes you made.

Delete
Index
Sort key
Update

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Introduction to Database System
Internal auditors should review data system design before they are

developed
implemented
All of the listed here
modified

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Introduction to Database System
Entity instances are associated by relationship classes.

False
True

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