Computer Science and Engineering › Keys in DBMS MCQ › Question #2623
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QConsider attributes ID , CITY and NAME . Which one of this can be considered as a super key?

ID: #2623 Keys in DBMS MCQ 18,802 views
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#2623Q ID
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Keys in DBMS MCQTopic
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  • A NAME ✔ ✖
  • B ID ✔ ✖
  • C CITY ✔ ✖
  • D CITY , ID ✔ ✖
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Here the id is the only attribute which can be taken as a key. Other attributes are not uniquely identified.
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