什么是导数

页面:/news/view-1180232/ | 耗时:0.1499 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=1180232 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1180232 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1180232 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(806938,1097809,705563,1310242,1048217,1685455,1104421,2957372,910793,1125726,1104171,2573605,1113177,1116982,1824136,857918,387602,2643638,1121792,1149407,1104547,1118995,1104385,2815610,1091631,1094319,1910248,551322,422799,745699) ORDER BY field (ArticleID,806938,1097809,705563,1310242,1048217,1685455,1104421,2957372,910793,1125726,1104171,2573605,1113177,1116982,1824136,857918,387602,2643638,1121792,1149407,1104547,1118995,1104385,2815610,1091631,1094319,1910248,551322,422799,745699)