oracle服務器沒有建立目標數據庫的TNS時，在客戶端（有權限的情況下）建立dblink語法如下：

復制代碼 代碼如下:

create database link dblink_name connect to user_name identified by user_psw using
'(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxx.xx.xxx.xx)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)'