期刊文献+

分布式数据库查询执行代价模型的研究 被引量:1

Cost Model of Query Plan in Distribute DataBase System
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摘要 本文在收益半连接的研究基础上,对查询执行代价模型进行研究,提出一种包括数据副本选择、多连接查询次序、操作站点选择、数据传输及局部数据处理等因素的代价模型,能准确地描述当前分布式数据库查询执行计划的代价,更具有实际意义。
出处 《计算机系统应用》 2007年第10期44-47,共4页 Computer Systems & Applications
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参考文献5

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二级参考文献16

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