什么是方法误差

页面:/news/view-329131/ | 耗时:0.8344 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=329131 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=329131 LIMIT 0,1
select * from tbl_Articles_sphinx where id=329131 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1089078,1068154,1119441,1118543,1083249,1118881,1091123,1118338,1099819,1072703,1060875,1061518,1061942,1065573,1075901,1078182,1118993,1074799,1102030,1094219,1057471,1096513,1063151,1107789,1064251,1041271,1062000,1073698,1078595,1092127) ORDER BY field (ArticleID,1089078,1068154,1119441,1118543,1083249,1118881,1091123,1118338,1099819,1072703,1060875,1061518,1061942,1065573,1075901,1078182,1118993,1074799,1102030,1094219,1057471,1096513,1063151,1107789,1064251,1041271,1062000,1073698,1078595,1092127)