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oracle database - Difference between using a TNS name and a service . . . 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 be the recommended connection (SID, TNS, or service) if connecting to a clustered database
sql - ORA-12560: TNS:protocol adaptor error - Stack Overflow -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 to check connection details, after check the oracle service and further more
oracle database - ORA-12154: TNS:could not resolve the connect . . . 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 can't figure out why PLSQL Developer will not work - it's using the right tnsnames ora file, and the connection string in there is correct because it's the same one
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 not be resolved into a connect descriptor using one of the naming methods configured
Oracle TNS: net service name is incorrecly specified 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 my connection, but am not getting much further
Oracle - What TNS Names file am I using? - Stack Overflow 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 various platform sol
ORA-12170: TNS:Connect timeout occurred - Stack Overflow 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 kept on ha
ERROR: ORA-12560: TNS:protocol adapter error - Stack Overflow If "tnsnames ora" and "listener ora" files looks fine and still you are getting errors then try the following simple steps Go to start->Run [windows button + r] Type "services msc" From the services window, try to find "OracleOraDb11g_home1TNSListener" Just right click on it and click on "start" Check the status in command prompt [c:\windows\System32> lsnrctl status] hope the listener listens
Determining location of relevant tnsnames. ora file If you use a common set of connections for all of your tools I'd delete all of your tnsnames ora files I'd also relocate that C:\Windows\TNS folder to somewhere more appropriate like C:\Oracle\Admin and create your tnsnames ora, sqlnet ora, and ldap ora (if applicable) there Create a TNS_ADMIN environment variable pointing to that location