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Using Partitioned Indexes in Data Warehousing and DSS Applications

原创 数据库开发技术 作者:tsinglee 时间:2008-04-11 09:34:42 0 删除 编辑

Here are a few guidelines for data warehousing and DSS applications:
■ Local indexes are preferable because they are easier to manage during data loads
and during partition-maintenance operations.
■ Local indexes can improve performance because many index partitions can be
scanned in parallel by range queries on the index key.

在数据载入和分区维护操作情况较多的情况下,本地索引更加合适
在索引键的范围内查询时,本地索引可改进性能,因为许多索引分区能被并行扫描

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来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/10599713/viewspace-1002307/ ,如需转载,请注明出处,否则将追究法律责任。

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