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Introduction to Database System

Introduction to Database System
Each of data files has a _____ that describe the way the data is stored in the file.

Database
Records
File structure
Fields

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Introduction to Database System
One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete.

False
True

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Introduction to Database System
An entity is something that can be identified in the user's work environment; something that the users want to track.

True
False

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Introduction to Database System
The XML family of standards is very important in database processing today.

False
True

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Introduction to Database System
Which command is used to remove an index from the database in SQL?

DROP INDEX
REMOVE INDEX
ROLL BACK INDEX
DELETE INDEX

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

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

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