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Query Optimization Algorithm for Flash Memory Database in Column Storage Mode

Jiangjing Wang

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Abstract

The high performance of Solid State Disk(SSD) has failed to be improved in the existing database systems.Aiming at this problem,a new connection method is proposed in this paper.The algorithm is optimized Flash database connection on the column files.Using the small size of column storage and the advantages of SSD high-speed random read,the algorithm overcomes the mismatch with the flash memory.Experimental results show that compared with the original algorithm,the query time of the new algorithm is less under the conditions of different query rate and different memory.

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What this paper is about

The high performance of Solid State Disk(SSD) has failed to be improved in the existing database systems.Aiming at this problem,a new connection method is proposed in this paper.The algorithm is optimized Flash database connection on the column files.Using the small size of column storage and the advantages of SSD high-speed random read,the algorithm overcomes the mismatch with the flash memory.Experimental results show that compared with the original algorithm,the query time of the new algorithm is less under the conditions of different query rate and different memory.

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Available abstract

The high performance of Solid State Disk(SSD) has failed to be improved in the existing database systems.Aiming at this problem,a new connection method is proposed in this paper.The algorithm is optimized Flash database connection on the column files.Using the small size of column storage and the advantages of SSD high-speed random read,the algorithm overcomes the mismatch with the flash memory.Experimental results show that compared with the original algorithm,the query time of the new algorithm is less under the conditions of different query rate and different memory.

Key concepts: Computer science, Column (typography), Flash memory, Flash file system, Flash (photography), Database, Query optimization, Algorithm

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