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Introduction to Database System

Introduction to Database System
The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?

Bits
Data field
Characters
None of the listed here

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Introduction to Database System
In which of the following can many entity instances of one type be related to many entity instances of another type?

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

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

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

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Introduction to Database System
A relation in this form is free of all modification anomalies.

Second normal form
Third normal form
Domain/key normal form
First normal form

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Introduction to Database System
A database management system

None of the listed here
Both of the listed here
can do more than a record management system
allows simultaneous access to multiple files

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Introduction to Database System
You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ .

metadata
A report
indexes
user data

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