sequential access disk信息详情
顺序存取磁盘
disk───n.[计]磁盘,磁碟片;圆盘,盘状物;唱片
access───adj.(电视节目或时间等)对外公开的;v.接近,使用;访问,存取(电脑文档);n.通道;进入;机会;使用权;探望权;(对计算机存储器的)访问;(情感)爆发;入口
cycloidal disk───摆线轮盘
plastic disk───塑料圆盘
uncut disk───未切割圆盘
removable disk───可换式磁盘,可移动磁碟;可换磁盘
disk storage───[计]磁盘存储器;n.磁盘存储器
retarding disk───[医]制动盘
biconcave disk───双凹盘
DB2 row compression features can decrease disk storage requirements while at the same time improve sequential read access of large queries which perform full table scans.───DB 2行压缩功能可以减少磁盘存储需求,同时改进执行全表扫描的大量查询的顺序读取访问。
With sequential access, the disk head can move directly to the next available track on the disk.───使用顺序访问,磁盘头可以直接移动到磁盘的下一个可用磁道。
result, the disk access time is much longer when reading data in random order than when reading in sequential order.───因此,与按顺序读取相比,按随机顺序读取数据时的磁盘访问时间要长得多。
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- sequential access file
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