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Introduction to Database System

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

None of these
Document
Record
Database
Structured data file

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Introduction to Database System
Enterprise Resource Planning (ERP) is an example of a single user database.

False
True

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Introduction to Database System
An audit trail

All of the listed here
is the recorded history of operations performed on a file
is used to make back-up copies
can be used to restore lost information

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Introduction to Database System
Two files may be joined into a third file if

they have a row in common
they have a field in common
they have no records with the same value in the common field
None of these
both (b) and (c)

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Introduction to Database System
Helping people keep track of things is the purpose of a(n) ________ .

database
instance
relationship
table

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Introduction to Database System
A network schema

stores data in tables
All of the listed here
restricts the structure to a one-to-many relationship
permits many-to-many relation¬ships

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