实数包括什么数

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select * from tbl_Articles WHERE ArticleID=1175375 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1175375 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1175375 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2894061,365916,80101,373191,392385,718920,100493,100714,1096675,378020,2709651,86122,372390,363984,100682,388495,373685,365452,1116697,394122,1114422,361919,3257358,1094579,376526,1091920,86865,363099,1082294,382120) ORDER BY field (ArticleID,2894061,365916,80101,373191,392385,718920,100493,100714,1096675,378020,2709651,86122,372390,363984,100682,388495,373685,365452,1116697,394122,1114422,361919,3257358,1094579,376526,1091920,86865,363099,1082294,382120)