Questions

Q:

Explain Data Definition Language

Answer

Data Definition Language (DDL):- are the SQL statements that define the database structure.


Example:



  1.  CREATE

  2.  ALTER

  3.  DROP

  4.  TRUNCATE

  5.  COMMENT

  6.  RENAME

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Q:

Point out the error, if any, in the following program.

main()

{

    int a = 10;

    void f();

    a = f();

    printf ( "\n %d", a );

}

void f()

{

    printf ( "\n Hi ");

}

Answer

In spite of defining the function f() as returning void, the program is trying to collect the value returned by f() in the variable a.

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Subject: Programming

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Q:

The concrete slump recommended for beams and slabs -

A) 45 to 75 mm B) 50 to 100 mm
C) 25 to 45 mm D) 30 to 125 mm
 
Answer & Explanation Answer: D) 30 to 125 mm

Explanation:

The concrete slump recommended for beams and slabs is 30 to 125 mm.

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Filed Under: General Science
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Q:

What are the followers of Hinduism called

A) Brahmans B) Hindus
C) Sindhus D) Indus
 
Answer & Explanation Answer: B) Hindus

Explanation:

The followers of Hinduism are called Hindus.

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Q:

Which of the following is not soluble in water?

A) sodium chloride B) potassium sulfate
C) copper(II) hydroxide D) silver nitrate
 
Answer & Explanation Answer: B) potassium sulfate

Explanation:

We know that,

All nitrates are soluble in water.

All chlorides are soluble in water with the exception of those formed with silver , lead , mercury ions as all halides are soluble.

Sulphates are soluble in water.

Hydroxides are not soluble in water.

 

Hence, copper(II) hydroxide is not soluble in water.

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Filed Under: Chemistry
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Q:

A factory employs skilled workers, unskilled workers and clerks in the proportion 8 : 5 : 1, and the wages of a skilled worker, an unskilled worker and a clerk are in the ratio 5 : 2 : 3. When 20 unskilled workers are employed, the total daily wages of all amount to Rs 318. Total wages paid to each category of workers are

A) Rs 240, Rs 60, Rs 18 B) Rs 200, Rs 90,Rs 28
C) Rs 150, Rs 108, Rs 60 D) Rs 250, Rs 50, Rs 18
 
Answer & Explanation Answer: A) Rs 240, Rs 60, Rs 18

Explanation:
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Q:

"Sultan Johor Cup" is associated with ______.

A) Hockey B) Cricket
C) Football D) Golf
 
Answer & Explanation Answer: A) Hockey

Explanation:
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Filed Under: Sports
Exam Prep: Bank Exams

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Q:

Which is an example of an expressed power congress holds?

A) declaring war B) maintaining an army
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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