Transaction optimization is one of the ways that improve the performance of database by optimizing the access to data, at the stand of applications.
事务优化是性能优化的方法之一，它从应用程序的角度出发，对数据库的访问进行优化，从而提高数据库的性能。
In this paper, first the query technology on database is analysed, then two optimization methods are offered: the disintegration query and the best access path selection.
本文对数据库的查询技术进行分析，给出两种优化方法：分解查询和选择最优存取路径。
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