Computer Science · Database Management Systems
Identify the incorrect statement regarding relational database keys.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A candidate key is a minimal set of one or more attributes that, taken collectively, allows us to uniquely identify any entity in the entity set.
- 2A candidate key for which no proper subset is also a candidate key is called a super key.✓
- 3A super key is a set of one or more attributes that, taken collect ively, allows us to uniquely identify any entity in th e entity set.
- 4A super key for which no proper subset is also a super key is called a candidate key.
Correct answer
A candidate key for which no proper subset is also a candidate key is called a super key.
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