Question

    What is the primary key in a relational database?

    A A field that uniquely identifies a record in a table Correct Answer Incorrect Answer
    B A field that stores numeric data Correct Answer Incorrect Answer
    C A field that stores textual data Correct Answer Incorrect Answer
    D A field that stores date and time information Correct Answer Incorrect Answer

    Solution

    It’s responsible for identifying the tuple uniquely.

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