Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 505 |
Match the following :
| 1 – d, 2 – b, 3 – a, 4 – c | |
| 2 – d, 3 – a, 1 – b, 4 – c | |
| 4 – a, 3 – b, 2 – c, 1 – d | |
| 3 – a, 4 – b, 1 – c, 2 – d |
Question 505 Explanation:
Determinants→ Group of attributes on the left hand side of arrow of function dependency.
Candidate key→ Uniquely identified a row. Candidate key is minimal super key.
Non-redundancy→ No attribute can be added
Functional dependency→ A constraint between two attribute
Candidate key→ Uniquely identified a row. Candidate key is minimal super key.
Non-redundancy→ No attribute can be added
Functional dependency→ A constraint between two attribute
Correct Answer: A
Question 505 Explanation:
Determinants→ Group of attributes on the left hand side of arrow of function dependency.
Candidate key→ Uniquely identified a row. Candidate key is minimal super key.
Non-redundancy→ No attribute can be added
Functional dependency→ A constraint between two attribute
Candidate key→ Uniquely identified a row. Candidate key is minimal super key.
Non-redundancy→ No attribute can be added
Functional dependency→ A constraint between two attribute