小数点左边第二位是什么位

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select * from tbl_Articles WHERE ArticleID=594678 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=594678 LIMIT 0,1
select * from tbl_Articles_sphinx where id=594678 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(434352,488129,3422776,1475054,756315,635536,1142693,1306217,398891,362335,365924,2562832,1519760,1986583,602822,1043012,577717,1217079,3175253,2107269,594866,3204434,1705729,634265,767333,892416,790752,2207663,1737585,511812) ORDER BY field (ArticleID,434352,488129,3422776,1475054,756315,635536,1142693,1306217,398891,362335,365924,2562832,1519760,1986583,602822,1043012,577717,1217079,3175253,2107269,594866,3204434,1705729,634265,767333,892416,790752,2207663,1737585,511812)