1.

What Is 5nf?

Answer»

A RELATION schema R is said to be 5NF if for every join dependency {R1, R2, ..., Rn} that holds R, one the following is true

  •  Ri = R for some i.
  •  The join dependency is implied by the set of FD, over R in which the left SIDE is key of R.

A Relation schema R is said to be 5NF if for every join dependency {R1, R2, ..., Rn} that holds R, one the following is true



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