0到底是不是自然数

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select * from tbl_Articles WHERE ArticleID=2654413 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2654413 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2654413 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1105379,1055973,1666542,3039576,85990,1142038,1108614,1113812,1064626,2255072,87074,2661278,1118142,2654413,1068911,80108,964927,1164747,1354989,1084453,1114262,466619,906580,972370,1384801,2908162,1085860,870550,3071023,86936) ORDER BY field (ArticleID,1105379,1055973,1666542,3039576,85990,1142038,1108614,1113812,1064626,2255072,87074,2661278,1118142,2654413,1068911,80108,964927,1164747,1354989,1084453,1114262,466619,906580,972370,1384801,2908162,1085860,870550,3071023,86936)