具里面是两横还是三横是什么效应

页面:/news/view-624490/ | 耗时:0.9663 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=624490 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=624490 LIMIT 0,1
select * from tbl_Articles_sphinx where id=624490 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1088910,1084427,1082928,1087862,1119560,983962,1073772,1065423,1098219,1078873,1075817,1065747,1080747,1061518,1118543,1068222,1067327,1075503,1079840,1064977,1088509,1082239,1051917,1049836,1069992,1044426,1085542,1085458,1086081,1048878) ORDER BY field (ArticleID,1088910,1084427,1082928,1087862,1119560,983962,1073772,1065423,1098219,1078873,1075817,1065747,1080747,1061518,1118543,1068222,1067327,1075503,1079840,1064977,1088509,1082239,1051917,1049836,1069992,1044426,1085542,1085458,1086081,1048878)