Warning: mysql_connect() [function.mysql-connect]: [2002] No such file or directory (trying to connect via unix:///tmp/mysql.sock) in /home/www/zakupybhp/config.php on line 2

Warning: mysql_connect() [function.mysql-connect]: No such file or directory in /home/www/zakupybhp/config.php on line 2
I cannot connect to the database because: No such file or directory