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Is minimal set of functional dependency for a functional dependency set is always unique???
in Databases reopened by
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Not always unique.
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2 Answers

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A - B

B - C

C - A

  

 

Select any 2

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can you explain more clearly

when you write the answer try to write everything, otherwise you write in the comment section

ok?

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edited by

@

why you select this is the best answer?

please remove it?

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$"$Is canonical cover(minimal set) always unique for any relationship$"?$

this is counterexample 

Given FD's

X→YZ
Y→XZ
Z→XY

https://stackoverflow.com/questions/34332781/is-canonical-cover-always-unique-for-any-relationship

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Minimal Set may not be unique always.

Consider this R(ABC) with FD:{ A→ B,B→ C,C→ A, B→ A, C→ B, A→ C}

By solving we can get 2 minimal sets

M1: A→ B, B→ C. C→ A

M2: B→ A, C→ B, A→ C

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