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Introduction to Database System

Introduction to Database System
A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.

True
False

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Introduction to Database System
The data-base environment has all of the following components except:

None of these
data-base administrator
separate files
users
data base

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Introduction to Database System
The way a particular application views the data from the data base that the application uses is a :

schema
module
relational model
subschema
None of these

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

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

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Introduction to Database System
A compound key

is made up a several pieces of information
both (a) and (b)
None of these
uniquely identifies an item in a list
is a combination of each unique key

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Introduction to Database System
In SQL, which command is used to add new rows to a table?

ALTER TABLE
INSERT
ADD ROW
APPEND

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