还是php于mysql的问题
有如下php代码
include("connect.php");
$query=mysql_db_query("select count(*) as num from $tbname",$dblink); $num=mysql_result($query,0,"num");
出现了如下的问题
[size=+1]Warning: mysql_result(): supplied argument is not a valid MySQL result resource in /home/apache/htdocs/exam/guest.php on line 59
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