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Boyce-Codd Normal Form (BCNF) ... BCNF is based on the concept of a determinant. ... A relation is in BCNF is, and only if, every determinant is a candidate key.
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db.grussell.org/section009.html
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What is Boyce-Codd Normal Form (BCNF)? Find out here! ... Definition: A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a candidate key. (See the links in the box at right for definitions of determinant and candidate key.)
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databases.about.com/cs/specificproducts/g/bcnf.htm
databases.about.com/cs/specificproducts/g/bcnf.htm
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BCNF: For every functional dependency X->Y in a set F of functional dependencies over ... Unfortunately, BCNF is not dependency preserving, but 3NF is ...
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db.lcs.mit.edu/6.893/F04/lec3.ppt
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The definition of BCNF addresses certain (rather unlikely) situations which 3NF does not handle. The characteristics of ... Since relations in 3NF but not in BCNF are slightly unusual, it is a bit more difficult to come up with meaningful examples. To be precise, the definition of 3NF does not deal with a relation that:
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www2.yk.psu.edu/~lxn/IST_210/normal_form_definitions.ht...
www2.yk.psu.edu/~lxn/IST_210/normal_form_definitions.html
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BCNF is a acronym that can contains many meanings which are listed below. ... There may be many popular meanings for BCNF with the most popular definition being that of Boyce/Codd Normal Form...
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www.auditmypc.com/acronym/BCNF.asp
www.auditmypc.com/acronym/BCNF.asp
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BCNF. A relation schema R is in BCNF if for every set of attributes ... Clearly, S is not in BCNF, since L K and L is not a superkey. ...
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www.cs.virginia.edu/~son/662.pdffiles/662.bcnf.pdf
www.cs.virginia.edu/~son/662.pdffiles/662.bcnf.pdf
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Twenty five years ago Paul Ralfs founded the BCNF and we want your help to commemorate. Send us your ideas on how we can mark this milestone in the Foundation’s history. If there is an awareness or fundraising opportunity in your community that we could get involved in please drop us a line.
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www.bcnf.bc.ca/
www.bcnf.bc.ca/
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We have seen BCNF and 3NF. ... If we do not eliminate all transitive dependencies, we may need to use null values to represent some of the meaningful relationships. ... If we must choose between BCNF and dependency preservation, it is generally better to opt for 3NF.
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www.cs.sfu.ca/CC/354/zaiane/material/notes/Chapter7/nod...
www.cs.sfu.ca/CC/354/zaiane/material/notes/Chapter7/node12.html
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First...
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www2.cs.uh.edu/~marek/notes/lecture12/sld008.htm
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