php mysql query database_PHP tutorial

php mysql query database The article provides a simple mysql code to query database data, which can query all data in the blog and display it.

php tutorial mysql tutorial query database tutorial
The article provides a simple mysql code to query database data, which can query all data in the blog and display it.

session_start();
$conn=mysql_connect('localhost','root','root')or die('Database connection error');
mysql_select_db('demo',$conn);
mysql_query("set names 'gbk'");
$us=$_session['username'];
$selequery=mysql_query("select * from blog where author='$us' order by id desc")or die("Query failed");
?>

?>

          

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