Oracle建立 连接sql server的database link

Oracle建立 连接sql server的database link
 create   public database link dg4msql connect to sa identified by "****" using '(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 172.181.23.33)(PORT = 1521))
    (CONNECT_DATA =
      (SID = dgmsql_his))
      (HS=OK)
  )
'

 Oracle建立 连接sql server的database link
Oracle建立 连接sql server的database link
Oracle建立 连接sql server的database link