rewrite rule

In this paper, the value of semantic integrity in query optimization is analysised. The idea of using integrity rule to rewrite query expression, which contain more opportunity for query optimization, is put forward.

本文分析了语义完整性规则在查询优化中的作用，提出了利用完整性规则改写查询，以便为传统查询优化器创造优化机会的思想。

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We can rapidly append, rewrite and delete command by means of search command in the tree. Furthermore, we can also execute dynamic control of configuration rule command by Remote Procedure Call protocol.

我们可以通过搜索树中的命令来快速实现命令的添加、改写和删除操作，此外，还可以通过RPC协议来实现配置规则命令的动态控制管理。

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The last line is the actual rewrite rule.

最后一行是实际的重写规则。

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The type of URL rewrite rule.

URL重写规则的类型。

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