利润率怎么算

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select * from tbl_Articles WHERE ArticleID=2823399 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2823399 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2823399 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(445353,1079171,764679,918458,2056877,1063265,2616681,2240271,575399,1487899,615029,1097634,1071049,370969,2849057,1157443,1013832,626778,1090631,1076000,2167570,845991,644653,1102062,972748,851511,1059056,1171816,419281,868910) ORDER BY field (ArticleID,445353,1079171,764679,918458,2056877,1063265,2616681,2240271,575399,1487899,615029,1097634,1071049,370969,2849057,1157443,1013832,626778,1090631,1076000,2167570,845991,644653,1102062,972748,851511,1059056,1171816,419281,868910)