PJ/NF(projection-join normal form a level of database normalization designed to reduce redundancy in relational databases recording multi-valued facts by isolating semantically related multiple relationships databasedesign-resource.com)
projection-join normal form(abbr. PJ/NF a level of database normalization designed to reduce redundancy in relational databases recording multi-valued facts by isolating semantically related multiple relationships databasedesign-resource.com)