win7如何批量更改后缀名

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select * from tbl_Articles WHERE ArticleID=2112462 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2112462 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2112462 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2916582,2029790,884604,1123835,418052,1046963,1128215,199027,1063395,293902,1062971,1864601,964762,1744296,1982499,147947,1436946,1118439,320560,3282486,2287311,2603449,1494425,1051075,881178,1075823,1065795,327832,1556752,442944) ORDER BY field (ArticleID,2916582,2029790,884604,1123835,418052,1046963,1128215,199027,1063395,293902,1062971,1864601,964762,1744296,1982499,147947,1436946,1118439,320560,3282486,2287311,2603449,1494425,1051075,881178,1075823,1065795,327832,1556752,442944)