根号如何计算

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select * from tbl_Articles WHERE ArticleID=2788488 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2788488 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2788488 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2036080,2926053,2657025,1119510,1070558,1789981,1712712,570645,2587916,1534106,2649911,1307486,1090396,1775055,987892,3075603,3109276,2919240,2406652,1075644,2314790,2545451,2974731,1552469,2681863,2208428,1337168,1123281,1068264,868152) ORDER BY field (ArticleID,2036080,2926053,2657025,1119510,1070558,1789981,1712712,570645,2587916,1534106,2649911,1307486,1090396,1775055,987892,3075603,3109276,2919240,2406652,1075644,2314790,2545451,2974731,1552469,2681863,2208428,1337168,1123281,1068264,868152)