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Research on the Data Stream Database Management System

Author: LiuZhengTao
Tutor: MaoYuGuang
School: Nanjing University of Aeronautics and Astronautics
Course: Computer Software and Theory
Keywords: Data stream Continuing inquiries Data stream database management system Data stream data model Design Patterns Transaction scheduling policy
CLC: TP315
Type: Master's thesis
Year: 2006
Downloads: 201
Quote: 2
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Abstract


In many real world applications , such as network controllers, telecommunications , e-commerce transactions , sensor networks , etc. , most of the data is not limited storage data set , but the continuous flow of data ; processing data flow types database management systems generally use an ongoing inquiry to meet the needs of users, rather than traditional databases in a single query . Work to do in this paper can be divided into theory and implementation of two parts . Theoretical part : first proposed a new data stream , the data model and its extension ; Secondly, the memory usage problem is an important issue for the data stream database system , given a determination continuing SPJ query whether the limited memory computable method, and gives the corresponding checking algorithm . Parts: the proposed transaction idle time and the value of the priority - based scheduling algorithm , the algorithm takes into account dependencies affairs and sharing operator business affairs priority associated doubly linked list algorithm is given Implementation affairs including receiving strategy and the transaction is complete / mortality algorithm implementation ; the application mode design method, given a concurrent data stream management system architecture GStream , analyze the current concurrent mode , designed adaptive concurrent the mode ; Finally, we partially achieved in the RedHat Linux9.0 platform GStream system .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Management procedures,management systems
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