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Q.

The relational model uses some unfamiliar terminology. A tuple is equivalent to a:

A

record

B

field

C

file

D

data base

E

data item

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Database applications are seldom intended for use by a single user.

A

True

B

False

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2.

Helping people keep track of things is the purpose of a(n) ________ .

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database

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table

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A report generator is used to

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print files on paper.

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A database management system

A

allows simultaneous access to multiple files

B

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D

both (a) and (b)

E

None of the above

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

A

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All of the above

E

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