系统误差与抽样误差的区别在哪里

页面:/news/view-2674961/ | 耗时:0.4255 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=2674961 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2674961 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2674961 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1488567,1081197,1072615,1100583,1084217,1113243,1076541,1067505,1088605,1089464,1085824,1063213,1094771,1087295,1125522,1101527,1103971,1095812,1097415,1060817,1093641,1053584,1062298,1070292,1051135,1071821,1068268,1090835,1078883,1106944) ORDER BY field (ArticleID,1488567,1081197,1072615,1100583,1084217,1113243,1076541,1067505,1088605,1089464,1085824,1063213,1094771,1087295,1125522,1101527,1103971,1095812,1097415,1060817,1093641,1053584,1062298,1070292,1051135,1071821,1068268,1090835,1078883,1106944)