内关的准确位置和作用是什么

页面:/news/view-659002/ | 耗时:0.1262 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=659002 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=659002 LIMIT 0,1
select * from tbl_Articles_sphinx where id=659002 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2849044,784187,680254,1079988,501627,879045,1093515,497372,1083315,438539,854395,701137,1189320,3521586,885679,2528084,1068538,628757,1093116,3320838,569017,1057942,3345088,964025,501555,1047835,833612,508550,3127404,2568098) ORDER BY field (ArticleID,2849044,784187,680254,1079988,501627,879045,1093515,497372,1083315,438539,854395,701137,1189320,3521586,885679,2528084,1068538,628757,1093116,3320838,569017,1057942,3345088,964025,501555,1047835,833612,508550,3127404,2568098)