标准偏差计算公式

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select * from tbl_Articles WHERE ArticleID=2018963 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2018963 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2018963 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(129626,2056128,2292537,550208,137015,2133684,158726,139528,150753,2249211,118132,161819,635795,2349400,131944,1609045,218912,1091930,3202058,254514,2886092,138220,2411171,2579127,211840,1108496,212376,1695730,110037,194840) ORDER BY field (ArticleID,129626,2056128,2292537,550208,137015,2133684,158726,139528,150753,2249211,118132,161819,635795,2349400,131944,1609045,218912,1091930,3202058,254514,2886092,138220,2411171,2579127,211840,1108496,212376,1695730,110037,194840)