什么时候用差商什么时候用差分

页面:/news/view-379920/ | 耗时:0.1800 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=379920 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=379920 LIMIT 0,1
select * from tbl_Articles_sphinx where id=379920 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(813254,667535,3519969,654692,605680,1200438,768449,548709,657770,519557,821169,1015478,669499,821265,1283971,1766555,475394,3308681,3498682,1152671,487785,511423,724548,102246,852100,755301,781487,625585,764875,593228) ORDER BY field (ArticleID,813254,667535,3519969,654692,605680,1200438,768449,548709,657770,519557,821169,1015478,669499,821265,1283971,1766555,475394,3308681,3498682,1152671,487785,511423,724548,102246,852100,755301,781487,625585,764875,593228)