A few of these (smart query rewriting, for example) are available to tools that aren't backed by a database.
其中少数(如智能查询改写)可用于没有数据库支持的工具。
This paper researches into the characteristic of aggregate query rewriting and gives a kind of rapidly approximate query computing model based on aggregate query rewriting under the data warehouse.
研究了聚集查询重写的特征，根据数据仓库环境下聚集查询需要快速计算结果的特点，给出了一个基于聚集查询重写的快速近似计算模型。
Query rewriting technology based on view is an important technology of the query optimization.
基于视图的查询重写技术是优化查询的一个重要技术。
Query rewriting technology based on view is an important technology of the query optimization.
基于视图的查询重写技术是优化查询的一个重要技术。
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