投入产出比怎么算

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select * from tbl_Articles WHERE ArticleID=937508 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=937508 LIMIT 0,1
select * from tbl_Articles_sphinx where id=937508 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(397411,2453111,405246,2181788,1108429,469349,347518,506076,394878,1833155,437948,2626353,374429,454394,406503,503815,87080,427477,438337,449537,1090020,517094,545224,448923,234847,86028,3122852,790974,374155,472418) ORDER BY field (ArticleID,397411,2453111,405246,2181788,1108429,469349,347518,506076,394878,1833155,437948,2626353,374429,454394,406503,503815,87080,427477,438337,449537,1090020,517094,545224,448923,234847,86028,3122852,790974,374155,472418)