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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 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? Correct Answer Buffer

Every block has a copy on disc, however, the copy on the disc may be an earlier version of the block than the version in the buffer.

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