githubutilities/README.md

Last active September 26, 2015 13:07

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Database Normal Form

Raw

Database Normal Form

data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF].

BCNF:

X->Y where Y can be prime or non-prime
Here,X must be a super key

3NF:

X->Y where Y is non-prime
then,
X must be a super key
else
X need not be super key