oracle給用戶賦dblink權限

create   database link 別名（可任意起）
　connect to 需要連接庫的用戶名identified by 需要連接庫的用戶名
　　using '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS =(PROTOCOL = TCP)(HOST = 10.50.182.11)(PORT = 1521)))(CONNECT_DATA =(SERVICE_NAME = testdb)))';