• Like the previous optimizations, this optimization collects related data on the disk to optimize for sequential Read optimization.

    与前面其他优化一样,这个优化在磁盘上收集相关的数据,以实现相邻读优化。

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  • 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。

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  • Some important JFS2-specific file system performance enhancements include sequential page read ahead and sequential and random write behind.

    一些重要的、JFS2特定的文件系统的性能增强功能包括,提前顺序页面读取和延迟顺序、随机写入。

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  • This means that a sequential scan of the table will be faster than an indexed read, and we cannot play with the filter criteria.

    这意味着对表的顺序扫描比索引读取更快,我们无法遵循指示器标准。

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  • Update bills (5 seconds); sequential scan of bills with a nested loop read of bill_items.

    更新bills(5秒);利用对bill_items的循环嵌套读取来顺序扫描。

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  • For JSF2, there are additional file system performance enhancements including sequential page read ahead and sequential and random write behind.

    对于JFS2,有更多文件系统性能改进,包括提前顺序页面读取以及延迟的顺序和随机写操作。

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  • Update bill_items (58 seconds); sequential scan of bill_items with a nested loop read of customer.

    更新bill_items(58秒);利用对customer的嵌套循环读取,来顺序扫描bill_items。

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  • The transaction log is stored as a sequential disk file (or sometimes in a raw partition) and will generally only be written to, not read from, except in the case of rollback or recovery.

    事务日志存储为连续的磁盘文件(有时存储在原始分区中),并且一般只是用于写入而不用于读取,回滚或恢复的情况例外。

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  • By looking at the read and write sequence counts in detail, you can further determine if the access is sequential or random.

    通过仔细地观察读写序列计数,可以进一步确定访问是顺序的还是随机的。

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  • Bear in mind as you read these articles that it's the nature of a magazine article to be sequential, but in the real world many of these activities go on in parallel.

    请记住,正如您阅读这些文章所感觉的那样,杂志上的文章一般都是连续的,但实际上,这些活动中的很多活动都并行发生。

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  • The problem is, however, that SAX is a read-only, sequential parser.

    然而,问题是SAX 是一个只读的、连续的解析器。

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  • The left side of the brain processes information in an analytical and sequential way and is more active when people read text or look at a spreadsheet.

    左半脑以连续和分析的方式处理信息,当读文本或看电子数据表时更加活跃。

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  • The left side of the brain processes information in an analytical and sequential way and is more active when people read text or look at a spreadsheet.

    左半脑以连续和分析的方式处理信息,当读文本或看电子数据表时更加活跃。

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