query decomposition meaning in English
查询分解
询问分解
Examples
- Semantic analyse of data request , query decomposition and conversion rules are introduced in detail
详细介绍了数据交换引擎中数据请求的语义分析、查询分解、构建转换规则等功能模块的作用及工作原理。 - Sometimes the huge relevant information in those databases should be managed unitedly , , so , it is getting more and more critical to develop applications for building systems that combine relevant data from database sources and present them in a form which is comprehensible for users beginning with the basic theory of module and distributed multidatabase , this paper discusses the technologies about the ejb , corba component used in the oracle8i / 9i database , the schema integration and query decomposition , , schema integration and query decomposition are key segment of this thesis
某些情况下，这些数据库中的相关信息需要统一的进行管理，这就迫切需要开发出相应的应用系统来集成多数据库中的相关数据并使用户能够充分的理解。本文首先从组件和分布式多数据库的基本原理出发，详细讨论了模式集成和查询分解技术与ejb 、 corba等组件技术在oracle8i 9i数据库中的应用。数据模式集成和查询分解是本文探讨的重点，也是分布式多数据库的核心内容。 - They are kernel knowledge of distributed multidatabase too0 then , based on a reasonable classified frame of schema collision , the paper probes into the strategies realizing schema integration and query decomposition using the good " low coupling , high cohesion " characteristics of component ; and then , a improved model of federal database architecture is designed exerting the virtue of independence and assembly of component < , at last , i had completed the work of developing a demo for the integration of audit information systems with the helps of others , which proved that the improved model of federal database architecture is practicalo
我在提出一个合理的模式冲突分类框架的基础上，探讨了如何运用组件技术的低耦合、高内聚的良好特性来实现数据模式集成和查询分解的策略；同时，运用组件技术的独立性和可装配的优点，设计了一个改进的联邦数据库体系结构模型。最后，在上述理论的指导下，本人与协作者完成了湖南省审计厅信息集成原型系统的设计和开发，总体上证实了改进后联邦数据库体系结构模型的可行性。 - In this thesis , schema integration global query decomposition and optimization and global transactions manipulation in multidatabase systems are discoursed elaboratly . the algorithm which clears up one - to - one entity conflict and query process optimization algorithm are presented and analysiz . ed . the assurance strategy of transaction atomity and global deadlock resolution algorithm are also discussed in this thesis . at end of this thesis , based on domestic experiences and overseas experiences , a new multidatabase system model is presented by combining multidatabase system and corba technology , and security management mechanism is introduced in this model
本文对多数据库系统中模式集成、全局查询的分解和优化以及全局事务的处理等问题进行了详细而深入的论述，给出了一对一实体冲突的消解算法和查询处理优化算法，并对这些算法进行了分析；同时还论述了事务原子性的保证策略和全局死锁的处理算法。最后，本文在借鉴国内外经验的基础上，把通用对象请求代理结构技术与多数据库系统结合起来，提出了一个新的多数据库系统模型，在该模型中引入了安全管理机制。 - Chapter 3 presents a method to represent schema architecture and schema mapping , prescribe an algorithm for decomposition tree . chapter 4 describes the implementation framework of multidatabase query processing , the implementation algorithm of query decomposition , approaches of query in the cmdatabase will be addressed
第三章提出了多数据库系统cmdatabase的模式结构及模式映射方法，定义了用于多数据库查询处理的树生成算法第四章描述了cmdatabase的全局查询处理的查询分解算法。