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CBSE Class 12 Computer Science Question 2 of 78

Relational Databases — Question 2

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Question

Question 2

Assertion. Data redundancy may lead to data inconsistency.

Reason. When redundant data or the multiple copies of data mismatch, it makes the data inconsistent.

Answer

(a)

Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

Explanation
Data redundancy refers to the duplication of data in a database. This may lead to data inconsistency. When redundant data or the multiple copies of data mismatch, it makes the data inconsistent.