Oracle 更改服务名方法
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1.运行db的sqlplus：sqlplus sys/sys as sysdba （sys/sys为“用户名”/“密码”）
或配置client的监听后运行Client的sqlplus
2. （可省略）查看当前服务名：sql> show parameter service_name
3. 修改服务名：sql> alter system set service_names='orcl' scope=both;
4. 修改listener.ora（红色部分）：
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:\Oracle10g)
(PROGRAM = extproc)
)
(SID_DESC = (GLOBAL_DBNAME = ORCL) (ORACLE_HOME = E:\Oracle10g) (SID_NAME = ORCL) ) ) LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1)) (ADDRESS = (PROTOCOL = TCP)(HOST = onest)(PORT = 1521)) ) )
