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Mr. Dubey • 100.69K Points
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Q. Which of the following is TRUE?

  • (A) every relation in 2nf is also in bcnf
  • (B) a relation r is in 3nf if every non-prime attribute of r is fully functionally dependent on every key of r
  • (C) every relation in bcnf is also in 3nf
  • (D) no relation can be in both bcnf and 3nf
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