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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.

Database
Record
None of these
Structured data file
Document

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Introduction to Database System
A data dictionary is a special file that contains

the data types of all fields in all files
All of these
None of these
the names of all fields in all files
the widths of all fields in all files

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Introduction to Database System
The logical data structure with a one-to-many relationship is a

chain
network
relational
tree

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Introduction to Database System
A relation is considered a:

two-dimensional table.
one-dimensional table.
Column.
three-dimensional table.

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Introduction to Database System
A subtype entity is a special case of another entity called a supertype entity.

True
False

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Introduction to Database System
A list in alphabetical order

is in descending order
both (b) and (c)
is in ascending order
is the result of a sort operation
None of these

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