Vol.3 No.3 (June 2013)
The Corporate Mass Data Query Optimizer
丁 勇 ：云南工商学院
In an application system, data query and processing speed has become a standard to measure the success or failure of the system. Thus, in large database queries, you should pay attention to the efficiency of the data query, so as not to cause a serious waste of system resources. Based on the grammar-based query optimizer works, this paper reasonably establishes indexing, writes good specifications SQL statement, uses appropriate expressions or keywords, makes full use of the index, avoids full table scan and improves query efficiency.
丁 勇 (2013) 企业海量数据查询优化。 计算机科学与应用， 3， 159-164. doi: 10.12677/CSA.2013.33028
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