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Optimized Query Process in the System of Distributed Database

XIE Rui-bing(Guangsha College of Applied Construction Technology,Dongyang 322100,China)  
Distributed query process is the interface between the administrator and distributed database,as well as one of the main research objects of the database.There are different optimized algorithms based on different targets in the query process.This article mainly deals with the,half-joint query method based on the principle of minimum transmission cost.It also analyses the theory of such query method,and raises some thoughts about multiplex half-joint query method.
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