sql - ORA-12560: TNS:protocol adaptor error - Stack Overflow
Aug 1, 2011 · -2 In my case, (ORA-12560: TNS protocol adapter error)Issue cause of database connection issue like database, user name and password. Once you got the issue. Initially you have …
Oracle ORA-12154: TNS: Could not resolve service name Error?
ORA-12154: TNS:could not resolve the connect identifier specified Cause: A connection to a database or other service was requested using a connect identifier, and the connect identifier specified could …
oracle database - ORA-12514 TNS:listener does not currently know of ...
May 28, 2012 · We have an application running locally where we're experiencing the following error: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor I've …
oracle database - Difference between using a TNS name and a service ...
Apr 5, 2013 · There are multiple ways to connect to the database: SID, TNS name, Service name. I would like to understand what is the difference between each of these connections and what would …
oracle database - ORA-12505, TNS:listener does not currently know of ...
Aug 12, 2013 · But the connection failed with error-ORA-12505 TNS listener doesn't currently know of SID given in connect descriptor. I was at sea as to how this problem occurred since it was working …
oracle database - ORA-12543: TNS:destination host unreachable but ...
Jun 2, 2015 · ORA-12543: TNS:destination host unreachable It is the same situation when I try to connect by sqlplus sqlplus username/password@TNSNAME Situation occurred only on one …
Oracle TNS: net service name is incorrecly specified
Aug 6, 2009 · ORA-12162: TNS:net service name is incorrectly specified I have edited the tnsnames.ora file to change the host to 127.0.0.1 rather than an external URL and I am able to successfully tnsping …
Oracle - What TNS Names file am I using? - Stack Overflow
Aug 13, 2008 · Sometimes I get Oracle connection problems because I can't figure out which tnsnames.ora file my database client is using. What's the best way to figure this out? ++happy for …
ORA-12154: TNS:could not resolve the connect identifier specified ...
Oct 11, 2012 · ORA-12154: TNS:could not resolve the connect identifier specified. I am able to use SQLPLUS from the command line to connect to the database, and tnsping returns successfully, but I …
ORA-12170: TNS:Connect timeout occurred - Stack Overflow
May 31, 2014 · I was trying to connect to the database here in my laptop using Oracle Toad but I kept on having this error: ORA-12170: TNS:Connect timeout occurred What are the possible reasons why I …