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Introduction to Database System

Introduction to Database System
An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.

False
True

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Introduction to Database System
A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

Many-to-one relationship
None of these
Many-to-many relationship
One-to-many relationship
One-to-one relationship

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Introduction to Database System
A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

File structure
Database
Records
Fields

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Introduction to Database System
In any hierarchy of data organization, the smallest entity to be processed as a single unit is called

data file
data field
data record
database
None of these

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Introduction to Database System
A computer file can be best described as

an orderly collection of data items
a general collection of data items
None of these
a single data item
a random collection of data items

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Introduction to Database System
A database management system

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

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