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Introduction to Database System

Introduction to Database System
A number of related records that are treated as a unit is called

batch
field
file
data

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Introduction to Database System
Queries to a database

both (a) and (b)
can use aggregate functions like SUM and COUNT
All of these
are written in English
None of these

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Introduction to Database System
An on-line commercial site such as Amazon.com is an example of a(n) ________ .

single-user database application
e-commerce database application
data mining database application
multiuser database application

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Introduction to Database System
In a relation, the columns are sometimes called "attributes".

True
False

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Introduction to Database System
In SQL, which command is used to add a column/integrity constraint to a table

ALTER TABLE
INSERT COLUMN
MODIFY TABLE
ADD COLUMN

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Introduction to Database System
One approach to standardizing storing of data

structured programming
All of these
None of these
MIS
CODASYL specifications

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