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conjunctive query中文是什么意思

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用"conjunctive query"造句"conjunctive query"怎么读"conjunctive query" in a sentence

中文翻译手机手机版

  • 合取查询

例句与用法

  • As virtual database uses relational data model , the paper makes a special effort to discuss query rewriting technology - rewriting queries using views and its conjunctive query , containment mapping under this model
    基于虚拟数据库所采用的关系数据模型,着重探讨了该模型下的查询重写技术? ?利用视图重写查询以及基于其上的合取查询、包含映射等问题。
用"conjunctive query"造句  

百科解释

In database theory, a conjunctive query is a restricted form of first-order queries. A large part of queries issued on relational databases can be written as conjunctive queries, and large parts of other first-order queries can be written as conjunctive queries.
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