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Q:

Data integrity constraints are used to

A) Ensure that duplicate records are not entered into the table B) Prevent users from changing the values stored in the table
C) Control who is allowed access to the data D) Improve the quality of data entered for a specific property like table column
 
Answer & Explanation Answer: D) Improve the quality of data entered for a specific property like table column

Explanation:

Integrity constraints are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. Many types of integrity constraints play a role in referential integrity (RI).

 

Hence, Data integrity constraints are used to Improve the quality of data entered for a specific property i.e, table column.

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Filed Under: Oracle Certification
Job Role: Analyst , Database Administration , IT Trainer

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Q:

Who is the author of the book "The Alchemist"?

A) Agatha Christie B) Paulo Ceolho
C) Frankenstien D) None
 
Answer & Explanation Answer: B) Paulo Ceolho

Explanation:

Paulo Ceolho is the author of The Alchemist

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Filed Under: Books and Authors

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Q:

In electro - magnetic radiation, which of the following has greater wave - length than visible light

A) Ultra -violet rays B) Infra - red rays
C) Cosmic rays D) x-rays
 
Answer & Explanation Answer: B) Infra - red rays

Explanation:
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Filed Under: Biology

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Q:

Washing soda is the common name for

A) Sodium Bicarbonate B) Calcium Carbonate
C) Sodium Carbonate D) Calcium Bicarbonate
 
Answer & Explanation Answer: C) Sodium Carbonate

Explanation:

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

How much water can be used by a camel in drinking in a single time ?

A) Up to 60 ltr. B) Up to 100 ltr.
C) Up to 80 ltr. D) Up to 120 ltr.
 
Answer & Explanation Answer: B) Up to 100 ltr.

Explanation:
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Filed Under: Animals and Birds
Exam Prep: Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

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Q:

The first President of USA was

Answer

George Washington

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Subject: World History

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Q:

When is a door not a door?

Answer

A door is not a door when it is a jar.


 


When_is_a_door_not_a_door1585541856.jpg image

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Subject: Logic Puzzles Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

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Q:

Which of the following is not an enzyme?

A) Oxytocin B) Trypsin
C) Pepsin D) Ptyalin
 
Answer & Explanation Answer: A) Oxytocin

Explanation:

Oxytocin is a mamallian hormone and also acts as neuro transmitter in the brain.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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