怎样用键盘打出根号

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select * from tbl_Articles WHERE ArticleID=629515 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=629515 LIMIT 0,1
select * from tbl_Articles_sphinx where id=629515 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1131537,1128077,2113740,1275239,1128497,1115015,1124943,1042323,1124079,1075612,989090,3422970,861165,81917,925198,860983,1370229,1132111,83282,1092626,1275289,1514704,418987,3491800,1067301,1197341,508644,1130456,1109561,1927031) ORDER BY field (ArticleID,1131537,1128077,2113740,1275239,1128497,1115015,1124943,1042323,1124079,1075612,989090,3422970,861165,81917,925198,860983,1370229,1132111,83282,1092626,1275289,1514704,418987,3491800,1067301,1197341,508644,1130456,1109561,1927031)