同一个数在数列中可以重复出现吗

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select * from tbl_Articles WHERE ArticleID=1435611 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1435611 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1435611 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1070654,1091031,1082874,1585055,1091209,1126008,1058265,1123379,1059901,1123369,1049850,1068458,1123765,1304252,1081879,1123925,1078332,1061862,1095105,1112632,1117017,1072637,1044059,1132455,1125148,1055445,1078437,1084417,1086224,1367334) ORDER BY field (ArticleID,1070654,1091031,1082874,1585055,1091209,1126008,1058265,1123379,1059901,1123369,1049850,1068458,1123765,1304252,1081879,1123925,1078332,1061862,1095105,1112632,1117017,1072637,1044059,1132455,1125148,1055445,1078437,1084417,1086224,1367334)