分数方程怎么解

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select * from tbl_Articles WHERE ArticleID=516405 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=516405 LIMIT 0,1
select * from tbl_Articles_sphinx where id=516405 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(437234,538556,430482,453323,81194,129849,551402,481540,446961,482921,387482,540651,1924463,519348,1097803,476389,477061,555110,507642,479793,472276,558839,560105,520553,372346,373243,571982,559646,483852,500568) ORDER BY field (ArticleID,437234,538556,430482,453323,81194,129849,551402,481540,446961,482921,387482,540651,1924463,519348,1097803,476389,477061,555110,507642,479793,472276,558839,560105,520553,372346,373243,571982,559646,483852,500568)