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Introduction to Database System

Introduction to Database System
A tuple is a(n):

column of a table.
key of a table.
two dimensional table.
row of a table.

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Introduction to Database System
It is more accurate to define a _____ as a variety of different record types that are treated as a single unit

Database
None of these
Table
Record
Flat File

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Introduction to Database System
Which of the following is not a logical data-base structure?

network
tree
relational
chain

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Introduction to Database System
The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle.

True
False

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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.

Record
Document
Database
Structured data file
None of these

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Introduction to Database System
In the relational model, relationships between relations or tables are created by using:

foreign keys.
determinants.
composite keys.
candidate keys.

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