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中文
History，current situation and future of database query optimization
XU Xin-hua
1
,HU Shi-gang
1
,TANG Sheng-qun
2
,LIU Hua-dong
1
Computer Engineering and Applications . 2009, (
18
): 156 -161 . DOI: 10.3778/j.issn.1002-8331.2009.18.047
