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Question Practice

Which attributes would ideally make the best candidate key?

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MCQ_SA
CBSE
Class 11
Informatics Practices
Informatics Practices
Database Concepts
Question Bank

Which attributes would ideally...

Single Answer MCQ
Q-00066966

Which attributes would ideally make the best candidate key?

1

Roll Number shared by students

2

Email among users

3

User Name which can be changed

4

Phone Number of a contact, which can duplicate

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