Being DBA we all are aware that we must have knowledge of OS level too because Database not just runs over the only one OS. In a different organization, we have a different OS. Being a part if IT we understand that different OS environment has a different parameter. We have to set them. Today […]
Articles Tagged: TNS
ORA-12154: TNS:could not resolve the connect identifier
We are continuing with the same series of listener errors. Let’s have looked over the new error. Let’s go for the steps [oracle@hostname]$ sqlplus sys@test_1as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Tue Jul 7 15:01:04 2017 Copyright (c) 1982, 2011, Oracle. All rights reserved. Enter password: ERROR: ORA-12154: TNS:could not resolve the connect identifier specified […]
ORA-12516:TNS protocol stack in Oracle
Let’s start the series of Oracle listener. Now are going to focus over the issue for the following errors. Let’s have looked over the steps and solve the issues. TNS-12516 TNS: listener could not find an instance with the matching protocol stack ORA-12516 TNS: listener could not find available handler with the matching protocol stack […]
ORA-12505: TNS:listener in Oracle
Being human being we have a lot of unlimited qualities. Listening is one of them. Normally we ignore it but it is most important for all. Good listing keeps us away from 99% problems away and life makes us simple but if we don’t listen properly we invite unlimited problem in our life. In same […]
ORA-12162: TNS:net service name is incorrectly specified
Let’s have look on some listener issues in the database. Cause: The connect descriptor corresponding to the net service name in TNSNAMES.ORA or in the directory server (Oracle Internet Directory) is incorrectly specified. Action: If using local naming make sure there are no syntax errors in the corresponding connect descriptor in the TNSNAMES.ORA file. If […]