小学和差公式怎样理解

页面:/news/view-872574/ | 耗时:0.2068 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=872574 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=872574 LIMIT 0,1
select * from tbl_Articles_sphinx where id=872574 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(578890,365604,451007,380509,366645,421939,491621,564110,522419,537137,608235,1121988,479557,412288,3422241,463521,604246,530435,3484462,505251,480938,569629,556198,1110033,808765,484785,516930,396122,579176,3007664) ORDER BY field (ArticleID,578890,365604,451007,380509,366645,421939,491621,564110,522419,537137,608235,1121988,479557,412288,3422241,463521,604246,530435,3484462,505251,480938,569629,556198,1110033,808765,484785,516930,396122,579176,3007664)