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  1. Consider attributes ID , CITY and NAME . Which one of this can be considered as a super key ?
  2. A.
    NAME
    B.
    ID
    C.
    CITY
    D.
    CITY , ID

    View Answer

    Workspace

    Answer : Option B

    Explanation :

    ID

    Here the id is the only attribute which can be taken as a key. Other attributes are not uniquely identified .


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