C++ Programming Question: Download Questions PDF
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->b is a trivial functional dependency (b is a subset of a)
* a is a superkey for schema R
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