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What Is Boyce Codd Normal Form?

Answer»

A relation SCHEMA R is in BCNF with respect to a SET F of functional dependencies if for all functional dependencies in F+ of the form a->b, where a and b is a subset of R, at least one of the following holds:

  • a->b is a trivial functional dependency (b is a subset of a).
  • a is a superkey for schema R.

A relation schema R is in BCNF with respect to a set F of functional dependencies if for all functional dependencies in F+ of the form a->b, where a and b is a subset of R, at least one of the following holds:



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