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  1. In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key.
    2. A.
    Candidate
    B.
    Join
    C.
    Functional
    D.
    None of the Mentioned

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    Workspace

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    Answer : Option A

    Explanation :

    A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys.

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