Relational Database Management System (RDBMS) Question:
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.
► 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.
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