以下操作是在當前有足夠的權限下才能使用:
drop /* public */ database link dblink名字;
create /* public */ database link dblink名字connect to schema名字 identified by 密碼
using '(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 數據庫的IP)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = 實例名)
)
)';
如果獲得權限,而且創建了DBLink,而查不到鏈接的數據庫的數據可能是目的數據庫的防火牆設置有問題。