Which algorithm uses equality comparison on a key attribute with a primary index to retrieve a single record that satisfies the corresponding equality condition.
A. A2
B. A4
C. A5
D. A6
Answer:A
Which algorithm uses equality comparison on a key attribute with a primary index to retrieve a single record that satisfies the corresponding equality condition.
A. A2 B. A4 C. A5 D. A6
Explanation: A2 – primary index, equality on key.