Question # 1

An attribute that uniquely identify each row in a relation is called

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Column

Foreign

Primary key

Duplicate key

Which of the following mode open only an existing file for both reading and writing

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"W"

"W+"

"r+"

"a+"

The number of bytes used by double data type in C is:

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2 (8) 8

12

6

A database containing all students in a class would store the information of individual students in:

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Record

Field

Cell

File

Which of the following is a compiler directive?

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#include<stdio.h>

Using namespace std;

main()

All

The high-level languages are ----------------

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machine depdendent

not machine dependent

expensive

more easier to learn

What is the final value of x after executing the following code:

For (int x=0; x<10; X++)

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10

9

0

1

a+=b is equivalent to

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a+=b

a=+b

a=a+b

b=b+a

Data is a combination of

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Fact & figure

Constant

Numbers

Special characters

The foreign key is found in

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parent table

dependent table

pivot table

index table

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 of the following is a valid format specifier

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%10d

%7.2f

%-7f

all

Any thing about which you store information in the database is known as:

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File

Inherent

Entity

Relation

The SQL statement to create a view is:

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CREATE VIEW

MAKE VIEW

SELECT VIEW

INSERT VIEW

Which is an example of multiple branches form single expression?

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If statement

Switch statement

While loop

All

In relational database a table is also called a:

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Tuple

Relation

File

Schema

Relational operators allow you to _____________ numbers.

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Compare

Add

Multiply

Divide

Which of the following is NOT legal element of control string in printf statement?

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Ordinary characters

Escape sequence

Format specifier

Variables

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