In this video, explain what Fourth Normal Form (4NF) is and why I consider 5NF to be significantly more important. Even so, 4NF does make it easy to explain a certain common class of problem, allowing it to provide some measure of utility.
LINKS AND INFO
Catallaxy Services -- https://www.catallaxyservices.com
Perfectly Normal (the talk) -- https://www.catallaxyservices.com/presentations/perfectly-normal/
Database Design and Relational Theory, 2nd Edition -- https://link.springer.com/book/10.1007/978-1-4842-5540-7
Pro SQL Server Relational Database Design and Implementation -- https://link.springer.com/book/10.1007/978-1-4842-6497-3
Louis Davidson speaking at Data Architecture Day -- https://www.youtube.com/watch?v=T8lJyLYFbdw
Handbook of Relational Database Design -- https://www.amazon.com/Handbook-Relational-Database-Candace-Fleming/dp/0201114348
