B+ tree are preferred to binary tree in Database because
A. Disk capacity are greater than memory capacities
B. Disk access is much slower than memory access
C. Disk data transfer rates are much less than memory data transfer rate
D. Disks are more reliable than memory
Answer:B
B+ tree are preferred to binary tree in Database because
A. Disk capacity are greater than memory capacities B. Disk access is much slower than memory access C. Disk data transfer rates are much less than memory data transfer rate D. Disks are more reliable than memory