负数是自然数吗

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SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2295802,1102516,86250,1380976,1208957,884410,3333777,1099349,694267,500758,3518205,1094419,86865,3277896,2839657,3358439,411075,1059397,86136,1094017,2981419,1665464,1116579,2814350,654416,1122787,86859,3499821,402015,3050262) ORDER BY field (ArticleID,2295802,1102516,86250,1380976,1208957,884410,3333777,1099349,694267,500758,3518205,1094419,86865,3277896,2839657,3358439,411075,1059397,86136,1094017,2981419,1665464,1116579,2814350,654416,1122787,86859,3499821,402015,3050262)