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Introduction to Database System

Introduction to Database System
The index consists of

pointers to the master list
a list of keys
All of these
None of these
both (a) and (b)

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Introduction to Database System
When you have finished entering information into a form

the contents of the form are written to the data file
All of the listed here
the template is written to the data file
the contents of the form can be printed

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Introduction to Database System
In SQL, which command is used to select only one copy of each set of duplicable rows

None of these
All of these
SELECT UNIQUE
SELECT DIFFERENT
SELECT DISTINCT

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Introduction to Database System
The model for a _____ resembles the hierarchical model in many respects.

Distributed database
Relational database
Hierarchical database
Network database
None of these

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Introduction to Database System
If you want your database to include methods, you should use a _____ database.

Network
Object-Oriented
Hierarchical
Distributed

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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
ADD COLUMN
MODIFY TABLE
INSERT COLUMN

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