数据流上的关系扩展

By goodbee On 2011-03-02 · Leave a Comment

Relational Languages and Data Models for Continuous Queries on Sequences and Data Streams
中文大概差不多是：基于序列和数据流的持续查询的关系语言和数据模型，拗口的名字，但是大家可以看看这篇论文

Tagged with: 数据流

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永远的风

负载驱动的索引碎片整理

下面这篇文章的内容是关于对数据库索引的碎片整理，通过估算碎片对性能的影响，提出合理的建议。同时支持对索引的一部分进行整理，而不是对整个B+树。作者已经实现了一个针对sql server的工具。其它的数据库可以跟进了。呵呵 http://research.microsoft.com/apps/pubs/default.aspx?id=115263 […]

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