2、因為tnsnames.ora同壹目錄下文件是自動生產的,所以刪除後重新連接壹下
3、通過lsnrctl status命令查看壹下,監聽程序是否啟動,如果沒有啟動執行lsnrctl start,啟動下
4、
SID別名 =
(DESCRIPTION = (ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = SERVER_IP)(PORT = 1521)) )
(CONNECT_DATA = (SID = SID_NAME) ) )
按照以上在重新配置壹下