如何解决解决TNSNAMES 2个数据库
我是这个社区的新手,我想在配置2个数据库方面获得一些帮助。
所以我的问题是: 在理解TSNAMES.ora上的错误时需要帮助
我有2个DBhome,一切正常,直到最后一天,我必须进行一些本地测试,并且在重新启动服务后一切都搞砸了,我执行了以下sintax。
ALTER system SET MEMORY_MAX_TARGET = 10 G SCOPE = spfile ;
ALTER system SET MEMORY_TARGET = 8 G SCOPE = spfile ;
使用sqlplus我只能连接到DB2,而DB1无法正常工作,这给了我以下错误:
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
如果我转到db1,它会向我显示
TNS Ping Utility for 64-bit Windows: Version 12.2.0.1.0 - Production on 30-SEP-2020 15:25:50
Copyright (c) 1997,2016,Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = DEMO)))
OK (0 msec)
如果我的状态为LSNRCTL,则会显示DBHome2 ora文件
LSNRCTL for 64-bit Windows: Version 12.2.0.1.0 - Production on 30-SEP-2020 15:36:45
Copyright (c) 1991,Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for 64-bit Windows: Version 12.2.0.1.0 - Production
Start Date 30-SEP-2020 15:00:31
Uptime 0 days 0 hr. 36 min. 13 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File C:\app\Oracle\product\12.2.0\dbhome_2\network\admin\listener.ora
Listener Log File C:\app\Oracle\diag\tnslsnr\DESKTOP-7O2CVPP\listener\alert\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc",status UNKNOWN,has 2 handler(s) for this service...
Service "cmms" has 1 instance(s).
Instance "cmms",status READY,has 1 handler(s) for this service...
Service "cmmsXDB" has 1 instance(s).
Instance "cmms",has 1 handler(s) for this service...
The command completed successfully
所以我需要在这里查看实例演示以及状态,我想应该可以开始工作了。
因此,找到正确的文件夹似乎有些解决问题。
请给我一些帮助。
谢谢您的帮助。
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