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 […]
All posts by Anuradha Mudgal
Anuradha Mudgal
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 […]
How to Purge Listener Log in Oracle
Being DBA we all are aware that Oracle Database makes a connection with a client with the help of listener. Oracle provides the facility to have look over the status of Oracle listen. Being a part of IT we must be aware that 24*7 We require database live but due to some unfortunate conditions database […]
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 […]
MAXDATAFILES and other files in Oracle
This Post is about the trick by which we can use to monitor the CRDs of Oracle Database. Monitoring is the most important and common task in RDBMS. Without monitoring CDR Let’s have look on the query which we use to monitor main elements of Oracle Database CDRs. — MAXDATAFILES Select ‘MAXDATAFILES ‘ || records_total […]
How to connect to ASM Instance Remotely
Today we have looked over ASM Instance Remotely. We can see that the normal instance of RDBMS is different from ASM. Connect to ASM Instance Remotely Being DBA we are aware that By Default Oracle ASM don’t allow remote sysdba connection since ASM instance is in NOMOUNT state. You Might get ORA-12528: TNS:listener: all appropriate […]
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
As we are working on the series of listener errors. Now we are going to work on “ORA-12514“. Let’a have look on the steps which we use to resolve this issue. Cause: “The listener received a request to establish a connection to a database or other service. The connect descriptor received by the listener specified a SID […]
Writing data into OS text file from Database Using UTL_FILE
Today we are going to have a look at “how to write data into OS text file from Database Using UTL_FILE?” In the journey of DBA sometimes in some cases, we need to perform this activity. To prepare every time to let’s have look on the post. Before we start it we must know what does UTl_File […]
Read Alert log from x$dbgalertext in Oracle
This post is small in content but most useful for all DBAs. We are going to have look at the most important part of Oracle RDBMS. Being Oracle DBA we all are well known about alert logs but few of us experts know how to read it. We re being a part of IT basic thing taught […]