A relation is in when it is in Second Normal Form $(2$NF$)$ and all nonprimary key column values do not determine any of the non$-$primary key column values.

First Normal Form $(1$NF$)$

Second Normal Form $(2$NF$)$

Third Normal Form $(3$NF$)$

Boyce$-$Codd Normal Form $($BCNF$)$