Research on Improving Oracle Query Performance in MES

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Abstract:

The tuning for Oracle database system is vital to the normal running of the whole system, but it is a complicated work. SQL statement tuning is a very critical aspect of database performance tuning. It is an inherently complex activity requiring a high level of expertise in several domains: query optimization, to improve the execution plan selected by the query optimizer, access design to identify missing access structures and SQL design to restructure and simplify the text of a badly written SQL statement. In this paper, the author analyzes the execution procedure of oracle optimizer, and researches how to improve the oracle database query performance in MES.

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39-42

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October 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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