B+ trees are preferred to binary trees in databases because
A. Disk capacities 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 rates
D. Disks are more reliable than memory
Answer:D
B+ trees are preferred to binary trees in databases because
A. Disk capacities 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 rates D. Disks are more reliable than memory