📅  最后修改于: 2022-03-11 14:59:56.580000             🧑  作者: Mango
should be in 1 nf
1. find ck
2. find prime attributes
3. non prime ttributes
4. check partial dependency -
( Lhs should be proper subset of ck nd rhs should be non prime attribute)
5. if there is partial dependency than the table is not in 2nf