Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The Entity Integrity constraint permits a portion of a Primary Key to contain a NULL value when that specific attribute represents missing or inapplicable data. Reason R: The Entity Integrity constraint dictates that no part of a Primary Key can ever contain a NULL value, ensuring every tuple can be uniquely identified. In the light of the above statements, choose the most appropriate answer from the options given below:

Question

Computer Science · Database Integrity Constraints

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Share:

Correct answer

A is not correct but R is correct

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Chapter Practice

Want more practice questions on Database Integrity Constraints?

Solve complete topic-wise tests with detailed solutions on GkGet.

Recommended practice questions in Computer Science · Database Integrity Constraints

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?

Answer 1

A is not correct but R is correct

Answer 2

A is correct but R is not correct

Answer 3

Both A and R are correct but R is NOT the correct explanation of A

Answer 4

Both A and R are correct and R is the correct explanation of A

Related Practice Questions