除法的得数为什么叫商

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select * from tbl_Articles WHERE ArticleID=1664515 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1664515 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1664515 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1082318,1084093,1088586,1084775,1055295,1086122,1064645,1110255,1071701,1047309,1067505,1081821,1087745,1097121,1131225,1078979,1068222,1067623,1064653,1102172,1096591,1069741,1081859,1065303,1067315,1094811,1070796,1106078,1101305,1099819) ORDER BY field (ArticleID,1082318,1084093,1088586,1084775,1055295,1086122,1064645,1110255,1071701,1047309,1067505,1081821,1087745,1097121,1131225,1078979,1068222,1067623,1064653,1102172,1096591,1069741,1081859,1065303,1067315,1094811,1070796,1106078,1101305,1099819)