But madam, (23.00 Min) according to 4NF subject and students must be independent of each other.
@neverstoplearning6742 жыл бұрын
yes it should be,but as it is not that what causing join depandancy.
@deepakgujjula94313 жыл бұрын
Madam... Join dependency means R(A,B,C) =R1(AB),R2(AC),R3(BC)=R(A,B,C) without extra tuples and loss of data but in 5th normal form you are saying , it should have join dependency ...can you justify my doubt
@neverstoplearning6743 жыл бұрын
Join dependency should not be there to be in 5NF,check video at 23mins .
@nosignal5804 Жыл бұрын
You are wrong! First example does not have multi-valued dependency.