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Introduction to Database System

Introduction to Database System
An identifier determines the type of relationship that an entity has.

True
False

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Introduction to Database System
Which two files are used during operation of the DBMS?

data dictionary and transaction log
query language and utilities
data dictionary and query language
None of the listed here

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Introduction to Database System
If a piece of data is stored in two places in the database, then

it can be more easily accessed
None of these
both (a) and (b)
changing the data is one spot will cause data inconsistency
storage space is wasted

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

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

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

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

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Introduction to Database System
A file that is organized in uniform format is formally referred to as a _____ or a database file.

Document
Structured data file
Record
Database
None of these

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