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SQ
Question Practice

When can UNION operation be applied?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Computer Science
Computer Science
Structured Query Language (SQL
Question Bank

When can UNION operation be applied?

Single Answer MCQ
Q-00095286

When can UNION operation be applied?

1

When both relations have different numbers of attributes

2

When the data types of corresponding attributes match

3

Only on numerical data types

4

It can be applied anytime regardless of attributes

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