ORA-12154: TNS:could not resolve the connect identifier specified--sys密码包含@符号

概述问题描述：在 *** 作系统登录数据库时，由于忘记了sys密码，重新修改的sys密码包含@符号，登录时报错， ORA-12154: TNS:could not resolve the connect iden

问题描述：在 *** 作系统登录数据库时，由于忘记了sys密码，重新修改的sys密码包含@符号，登录时报错，

 ORA-12154: TNS:Could not resolve the connect IDentifIEr specifIEd

 

要使用在线恢复恢复DG，所以要连接到主库测试tns的连通情况

 

 

备库上验证：

 

[2021/4/23 20:51:13] [oracle@PEKPBSDIHDBP02 dbs]$ sqlplus "sys/elcarO@321qwe"@ORCLDG1 as sysdba

 

[2021/4/23 20:51:14]

 

[2021/4/23 20:51:14] sql*Plus: Release 11.2.0.4.0 Production on Fri Apr 23 20:44:06 2021

 

[2021/4/23 20:51:14]

 

[2021/4/23 20:51:14] copyright (c) 1982,2013,Oracle.  All rights reserved.

 

[2021/4/23 20:51:14]

 

[2021/4/23 20:52:34] ERROR:

 

[2021/4/23 20:52:34] ORA-12154: TNS:Could not resolve the connect IDentifIEr specifIEd

 

登录密码包含@，在界面登录需要转义

 

主库上验证：

 

[2021/4/23 20:55:11] [oracle@PEKPBSDIHDBP02 dbs]$ sqlplus sys/\"elcarO@321qwe\"@orcl_stb as sysdba

 

[2021/4/23 20:55:11]

 

[2021/4/23 20:55:11] sql*Plus: Release 11.2.0.4.0 Production on Fri Apr 23 20:48:03 2021

 

[2021/4/23 20:55:11]

 

[2021/4/23 20:55:11] copyright (c) 1982,Oracle.  All rights reserved.

 

[2021/4/23 20:55:11]

 

[2021/4/23 20:55:11]

 

[2021/4/23 20:55:11] Connected to:

 

[2021/4/23 20:55:11] Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

 

[2021/4/23 20:55:11] With the Partitioning,olAP,Data Mining and Real Application Testing options

 

转义写法：sqlplus sys/\"密码\"@tnsname

 

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