Relational Database Question:
Download Questions PDF

Explain 4NF?

Relational Database Interview Question
Relational Database Interview Question

Answer:

A relation schema R is said to be in 4NF if for every Multivalued dependency X --> Y that holds over R, one of following is true
► X is subset or equal to (or) XY = R.
► X is a super key.

Download Relational Database Interview Questions And Answers PDF

Previous QuestionNext Question
Explain 3NF?Explain DML Compiler?