在数据仓库活动所用到的顺序存取中，SSD的性能提升没有随机访问那么大。
Sequential access, as exhibited by data warehouse activities, does not produce as great a performance improvement with SSDs as does random access.
即便磁带的性能不佳、只能顺序而不是随机存取储存的数据，但磁带作为存储介质一直未变。
Tape persisted as the storage medium of choice, even though it suffered from poor performance and the need for sequential, not random, access to stored data.
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