1比100的比例怎么算

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select * from tbl_Articles WHERE ArticleID=2480936 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2480936 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2480936 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(615925,965071,743513,3103549,2655281,914668,1120348,1596392,845262,1116329,389411,834466,1103544,937444,631107,643207,943056,817047,969535,1112691,801968,756683,2654973,3524836,561746,1115763,1115439,584434,860267,676061) ORDER BY field (ArticleID,615925,965071,743513,3103549,2655281,914668,1120348,1596392,845262,1116329,389411,834466,1103544,937444,631107,643207,943056,817047,969535,1112691,801968,756683,2654973,3524836,561746,1115763,1115439,584434,860267,676061)