怎样正确使用磨刀棒

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select * from tbl_Articles WHERE ArticleID=510607 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=510607 LIMIT 0,1
select * from tbl_Articles_sphinx where id=510607 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1085561,1466322,1116135,1042576,2604862,843391,2323716,1080353,3200605,1985284,1117608,1275301,1922365,1299144,1066654,1021788,1132033,1979066,1129357,1049776,81248,2852478,82340,1133307,1348131,99944,93862,625003,1105037,1089856) ORDER BY field (ArticleID,1085561,1466322,1116135,1042576,2604862,843391,2323716,1080353,3200605,1985284,1117608,1275301,1922365,1299144,1066654,1021788,1132033,1979066,1129357,1049776,81248,2852478,82340,1133307,1348131,99944,93862,625003,1105037,1089856)