##
my $dsn = 'DBI:mysql:mydb;mysql_socket=/temp/mysql.sock';
my $db_user_name = 'user';
my $db_password = 'password';
my $dbh = DBI->connect($dsn, $db_user_name, $db_password);
####
DBI connect('mydbmysql_socket=/temp/mysql.sock','user',...) failed:
Can't connect to MySQL server on 'localhost' (10061) at myscript.pl line 60