请问减和减去有区别吗

页面:/news/view-131026/ | 耗时:0.6972 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=131026 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=131026 LIMIT 0,1
select * from tbl_Articles_sphinx where id=131026 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1082804,1102947,1064939,1303472,1129635,1047441,1066226,1019890,992026,1073274,1085824,1083133,1046963,1075893,1050051,1080771,1132769,1065705,1085162,1064883,1070000,1075423,1061798,1083530,1081657,1070574,1069741,1048314,1104811,1088668) ORDER BY field (ArticleID,1082804,1102947,1064939,1303472,1129635,1047441,1066226,1019890,992026,1073274,1085824,1083133,1046963,1075893,1050051,1080771,1132769,1065705,1085162,1064883,1070000,1075423,1061798,1083530,1081657,1070574,1069741,1048314,1104811,1088668)