Q. BoyeCodd Normal Form (BCNF) is needed when (Solved)
1. two non-key attributes are dependent
2. there is more then one possible composite key
3. there are two or more possible composite overlapping keys and one attributeof a composite key is dependent on an attribute of another composite key
4. there are two possible keys and they are dependent on one another
- c. there are two or more possible composite overlapping keys and one attributeof a composite key is dependent on an attribute of another composite key