A major goal of the db system is to minimize the number of block transfers between the disk and memory. Which of the following helps in achieving this goal?
A. Secondary storage
B. Storage
C. Catalog
D. Buffer
Answer:D
A major goal of the db system is to minimize the number of block transfers between the disk and memory. Which of the following helps in achieving this goal?
A. Secondary storage B. Storage C. Catalog D. Buffer