A table is in fourth normal form when it is in third normal form and there are no ____.
A) alternate keys
B) foreign keys
C) multivalued dependencies
D) primary dependencies

Question

​A table is in fourth normal form when it is in third normal form and there are no ____.
A) ​alternate keys
B) ​foreign keys
C) ​multivalued dependencies
D) ​primary dependencies

Quizplus · Accepted Answer

Fourth normal form (4NF) is a level of database normalization where multivalued dependencies (MVDs) are further handled after being dealt with in third normal form. In 4NF, there should be no dependencies between sets of two or more multivalued dependencies.

​A Table Is in Fourth Normal Form When It Is

A Table Is in Fourth Normal Form When It Is