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Notice (8): SplFileObject::fwrite() [<a href='https://secure.php.net/splfileobject.fwrite'>splfileobject.fwrite</a>]: Write of 5437 bytes failed with errno=28 No space left on device [CORE/src/Cache/Engine/FileEngine.php, line 141]

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php中使用临时表查询数据的一个例子 - 站长搜索
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php中使用临时表查询数据的一个例子

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2014-12-03 01:09:18 转载来源: 网络整理/侵权必删

本文为大家讲解的是一个php中使用临时表查询数据的例子,感兴趣的同学参考下。 $sql3="CREATE TEMPORARY TABLE atmp_table(uid int(11),dnum int(20) not null)";  mysql_query($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&

本文为大家讲解的是一个php使用临时查询数据例子,感兴趣的同学参考下。


$sql3="CREATE TEMPORARY TABLE atmp_table(uid int(11),dnum int(20) not null)"; 
mysql_query($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) ;

标签: php 使用 临时 查询 数据 一个 例子


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