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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 |
Answer» C. every relation in bcnf is also in 3nf |
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