Computer Science · Database Management Systems
Consider the following statements regarding relational databases: (i) A candidate key is any minimal set of attributes that functionally determines all attributes in a relation. (ii) A primary key is used to uniquely identify each tuple in a relation. (iii) A primary key may be composite. Which of the statements given above is/are true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only (ii) and (iii)
- 2Only (i) and (ii)
- 3Only (ii)
- 4(i), (ii) and (iii)✓
Correct answer
(i), (ii) and (iii)
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