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为啥用SQL语句不能添加数据库表数据，哪个大哥帮忙看下呗

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Release： 2016-06-13 11:30:38
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为什么用SQL语句不能添加数据库表数据，哪个大哥帮忙看下呗！

本帖最后由 A1023824314 于 2013-07-29 18:05:01 编辑   $a=mysql_connect("localhost","root","");
     if($a)
     echo "shi";
   $as=mysql_select_db("study",$a);
   if($as)
     echo "shi";
    $sql="INSERT INTO s1 （id,cash）values('','1234')";
     mysql_query($sql,$a); 
?>
我觉得一点没错啊~但是到PHPADMIN上去看数据库中并没有新数据增加！
数据库
Related labels：
echo mysql nbsp sql
source：php.cn
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