Question # 1

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

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Default statement

If-else statement

Break statement

Else statement

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

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2

4

6

8

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

Which type of variable can store numbers data ?

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int

float

double

all

Which of the following is not a valid variable name ?

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Roll No

Roll-No

Roll #

A table should have :

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Primary key

Secondary key

Composite key

Sort key

SQL is used for:

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Data definition

Data manipulaton

Data control

All

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

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\a

\b

\n

The number of characters in variable field is:

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Constant

Variable

10

100

A two-dimensional table of data is called a

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group

set

declaration

relation

A relation is known as

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table

tuple

relationship

attribute

An attribute is also known as

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table

elation

row

field

How many types of relationship are there?

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2

3

4

5

A table most has

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primary key

secondary key

composite key

sort key

Which of the following is NOT a characteristic of relation?

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Each row is unique

The order of columns is significant

The order of rows is insignificant

Columns are all elemental or atomic

Which is a loop statement?

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If

If-else

Switch

None of these

A two-dimensional table of data is called:

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Group

Set

Module

Relation

SQL is used for

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data definition

data manipulation

a and b

searching record

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

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