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      Question

      The foreign key in a child table referencing a primary

      key in a parent table is known as:
      A Candidate key Correct Answer Incorrect Answer
      B Alternate key Correct Answer Incorrect Answer
      C Referential integrity key Correct Answer Incorrect Answer
      D Redundant key Correct Answer Incorrect Answer

      Solution

      Referential integrity key โ€” Maintains relational database linkage.

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