Question # 1

A two-dimensional table of data is called a

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group

set

declaration

relation

In relational database a table is also called a:

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Tuple

Relation

File

Schema

Which of the following is not a valid variable name ?

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Roll No

Roll-No

Roll #

A table most has

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primary key

secondary key

composite key

sort key

Format specifier is started with:

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'?

&

%

None

Microsoft Access saves the database file with the extension:

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.mdb

.msdb

.madb

None of these

The symbol '=' represents:

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Comparison operator

Assignment operator

Equal to operator

None of these

A row of a relation is called:

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Attribute

Entity

Tuple

a and c

An index can be used to :

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Improve the performance of the database

Document the structure of the database

Reduce data dependency for application programs

All

The last statement of each case in switch must be a:

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Default statement

If-else statement

Break statement

Else statement

The columns of a table correspond to

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table

record

field

cell

A row of relation is called

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attribute

entity

tuple

both a & c

Insert command is used to insert:

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New table

New record

View

Dependences

All the intersection of rows and columns must have:

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Single value

Constant value

Multiple values

No value

Which type of variable can store real value

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int

long int

char

Float

The foreign key is found in:

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Parent table

Dependent table

Pivot table

Index table

Which is a loop statement?

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If

If-else

Switch

None of these

Which of the following are properties of relations?

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Each attribute has a unique name

No two rows in a relation are identical

There are no multivalued attributes in a relation

All of the above

SQL is used for:

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Data definition

Data manipulaton

Data control

All

SQL is used for

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data definition

data manipulation

a and b

searching record

A form that contains the sub-form is called:

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Form

Main form

Report

None of these

Which loop statement executes the body of loop at least once?

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do-white

While

For

None of these

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ICS Part 2 Computer Science Chapter 2 Online Test MCQs With Answers

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