Warning: mysql_connect(): Too many connections in /var/www/vhosts/db.php on line 2

Warning: mysql_select_db(): Access denied for user 'apache'@'localhost' (using password: NO) in /var/www/vhosts/db.php on line 3

Warning: mysql_select_db(): A link to the server could not be established in /var/www/vhosts/db.php on line 3
mysql error