B-link tree requires a pointer to its __________ sibling.
A. Upper
B. Lower
C. Right
D. Left
Answer:A
B-link tree requires a pointer to its __________ sibling.
A. Upper B. Lower C. Right D. Left
Explanation:This pointer is required because a lookup that occurs while a node is being split may have to search not only that node but also that node’s right sibling.