In OracleDatabase 11g Release 2 (11.2), the password feature is being deprecated.This does not cause a loss of security because authentication is enforcedthrough local operating system authentication. To migrate a listener that has aset password, do the following: --在Oracle 11gR2里,listener 的...
每个Server由一个 Oracle DB和一个Oracle Server实例组成。它具有场地自治性(Site Autonomy)和提供数据存储透明机制,以此可实现数据存储透明性。 Oracle Database Server在实现上存在可允许攻击者向远程'TNS Listener'组件处理的数据投毒的漏洞,攻击者无需用户名和密码可利用此漏洞将数据库服务器的合法'TNS Listener'组...
詳細は、『Oracle Databaseリファレンス』を参照してください。 例7-1は、LISTENERという名(リスナーのデフォルト名)のリスナーのlistener.oraファイルを示しています。 例7-1 listener.oraファイル LISTENER= (DESCRIPTION= (ADDRESS_LIST= (ADDRESS=(PROTOCOL=tcp)(HOST=sale-server)(PORT=1521))...
Oracle recommends that you leave the parameter unset so that the Database Agent process can maintain it automatically. If you do not set LOCAL_LISTENER, then the Database Agent process automatically updates the database associated with the local listener in the Grid home, even when the ports ...
Sol 2. If using a service name, check that the connect descriptor corresponding to the service name in TNSNAMES.ORA of the client has a SERVICE_NAME or SID component in the CONNECT_DATA. #When using SERVICE_NAME in CONNECT_DATA component ...
Error 'ORA-12154: TNS could not resolve the connect identifier specified' or 'TNS:listener could not resolve SERVICE_NAME given in connect descriptor' When Connecting P6 to an Oracle Database (Doc ID 898664.1) Last updated on APRIL 16, 2025 Applies to: ...
这样启动后远程连接会报错: oracle ORA-12514:TNS:listener does not currently know of service requested in connect descriptor 问题原因:数据库实例没注册到listener 解决方法一: 在listener.ora里面添加下面各行: SID_LIST_LISTENER = (SID_LIST =
ora oracle@bo2dbp:/u01/oracle/db/network/admin> more tnsnames.ora #对于连接字符串GOBO1A,GOBO1B,GOBO1在此处可以省略 #这些字符串通常用于客户端连接到数据库 GOBO1B = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.7.62)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (...
cx_Oracle.DatabaseError: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor 原因: import cx_Oracle #导入模块 con= cx_Oracle.connect('用户名', '密码', '数据库ip/服务名') #创建连接 curs=con.cursor() #创建游标 ...
1 ---方案三---后发现Oracle有个Net Manager可用：在下图的Listeners->Database Services中配置要监听的SID及ORACLE_HOME，退出保存。Linux上面：[root@localhost oracle]# xhost +[root@localhost oracle]# su - oracle[oracle@localhost ~]$ netmgr===Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=152...