样本方差公式

页面:/news/view-1503586/ | 耗时:0.9193 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=1503586 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1503586 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1503586 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(538874,360911,3281757,1370631,3114559,522536,462317,400762,3408201,3158973,3151899,2367754,2550565,1113457,1499993,662942,1144030,3037886,392691,1371137,3126328,3145860,1155192,1449256,841576,676505,2719997,701151,3060676,631305) ORDER BY field (ArticleID,538874,360911,3281757,1370631,3114559,522536,462317,400762,3408201,3158973,3151899,2367754,2550565,1113457,1499993,662942,1144030,3037886,392691,1371137,3126328,3145860,1155192,1449256,841576,676505,2719997,701151,3060676,631305)