Question # 1

The number of characters in fixed-length field is:

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Constant

Variable

10

100

Microsoft Access saves the database file with the extension:

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.mdb

.msdb

.madb

None of these

Int type variable use -------------------- bytes in memory

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2

4

6

8

A two-dimensional table of data is called:

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Group

Set

Module

Relation

The symbol '=' represents:

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Comparison operator

Assignment operator

Equal to operator

None of these

A row of relation is called

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attribute

entity

tuple

both a & c

SQL is used for

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data definition

data manipulation

a and b

searching record

Format specifier is started with:

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'?

&

%

None

Which escape sequence can be used to begin a new line in C-language?

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\a

\b

\n

Which of the following is not a valid variable name ?

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Roll No

Roll-No

Roll #

The number of characters in variable field is:

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Constant

Variable

10

100

The rows of a relations can be of ___________ order.

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Any

Same

Sorted

Constant

A table most has

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primary key

secondary key

composite key

sort key

An attribute is also known as

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table

elation

row

field

The columns of a table correspond to

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table

record

field

cell

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

How many types of relationship are there?

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2

3

4

5

Which is related to modality?

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Optional

Mandatory

Unidirectional

Both A & B

A relation is known as

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table

tuple

relationship

attribute

A person, place, thing or event about which data is kept in the database is called:

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Attribute

Field

Record

Entity

Which is a loop statement?

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If

If-else

Switch

None of these

A row of a relation is called:

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Attribute

Entity

Tuple

a and c

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

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