engineering recuitment IB JIO (Junior Intelligence Officer) Mock Test 2023 DBMS Integrity Constraints and Normal Form Normal Form
Which of the following is TRUE?
1
Every relation in 3NF is also in BCNF
2
A relation R is in 3NF if every non-prime attribute of R is fully functionally dependent on every key of R
3
Every relation in BCNF is also in 3NF
4
No relation can be in both BCNF and 3NF