Database-Management-System
May 14, 2024Database-Management-System
May 14, 2024Database-Management-System
| Question 894 |
BCNF is not used for cases where a relation has
| Two (or more) candidate keys | |
| Two candidate keys and composite | |
| The candidate key overlap | |
| Two mutually exclusive foreign keys |
Question 894 Explanation:
A relation is in Boyce-Codd normal form if all attributes which are determinants are also candidate keys.
Transformation into Boyce-Codd normal form deals with the problem of overlapping keys.
Transformation into Boyce-Codd normal form deals with the problem of overlapping keys.
Correct Answer: D
Question 894 Explanation:
A relation is in Boyce-Codd normal form if all attributes which are determinants are also candidate keys.
Transformation into Boyce-Codd normal form deals with the problem of overlapping keys.
Transformation into Boyce-Codd normal form deals with the problem of overlapping keys.