使用临时表查询数据的一个例子
WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB
发布: 2016-07-25 09:05:44
-
-
$sql3="CREATE TEMPORARY TABLE atmp_table(uid int(11),dnum int(20) not null)";
- mysql_query($sql3);
- $sql3="INSERT into atmp_table(uid,dnum) SELECT uid,count(soid) as dnum
- FROM `cy_score2`
- where (nei='下载' or nei='下载试题')
- group by uid having dnum>150
- order by dnum desc limit 10";
- mysql_query($sql3);
- $sql3="select a.uid,count(b.tid) as unum from atmp_table a left join cy_test b on a.uid=b.uid
- group by b.uid
- order by a.dnum desc,unum asc limit 5";
- $query4=mysql_query($sql3);
- $rs=mysql_fetch_array($query4) ;
-
复制代码
|
本站声明
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系admin@php.cn
作者最新文章
-
2025-02-26 03:58:14
-
2025-02-26 03:38:10
-
2025-02-26 03:17:10
-
2025-02-26 02:49:09
-
2025-02-26 01:08:13
-
2025-02-26 00:46:10
-
2025-02-25 23:42:08
-
2025-02-25 22:50:13
-
2025-02-25 21:54:11
-
2025-02-25 20:45:11