1st paradigm:
All attributes are unsearous atomic units.
The second paradigm:
If all non-primary properties in the relational mode R (U, F) are completely dependent on any candidate keyword, the relational R is called a second paradigm.
Section 3 Paradoo:
If all non-primary attributes in the relational mode R (U, F) do not pass trust on any candidate keyword, the relational R is a third paradigm.
BC paradigm:
If all attributes of relational mode R (U, F) (including primary properties and non-primary properties) do not pass any candidate key that relies on R, the relational R is BCNF.
