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Mr. Dubey • 100.69K Points
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Q. BoyeCodd Normal Form (BCNF) is needed when

  • (A) two non-key attributes are dependent
  • (B) there is more then one possible composite key
  • (C) there are two or more possible composite overlapping keys and one attributeof a composite key is dependent on an attribute of another composite key
  • (D) there are two possible keys and they are dependent on one another
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