什么是约数

页面:/news/view-1662951/ | 耗时:0.8642 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=1662951 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1662951 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1662951 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(2808080,1101099,909036,1103406,2631543,891337,1761928,2384127,722274,1112316,1773749,1094591,1693837,910793,643297,657966,1180232,1074400,1113177,2073826,1104491,1099723,542949,1120739,2984663,406439,1084579,1108614,1108708,551322) ORDER BY field (ArticleID,2808080,1101099,909036,1103406,2631543,891337,1761928,2384127,722274,1112316,1773749,1094591,1693837,910793,643297,657966,1180232,1074400,1113177,2073826,1104491,1099723,542949,1120739,2984663,406439,1084579,1108614,1108708,551322)