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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 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
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
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
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
oracle database - Where is TNSNAMES. ORA? - Stack Overflow SQL State=S1000 [Oracle][ODBC][Ora] ORA-12170: TNS: Connect timeout occurred I presume, though I am no DBA, that this has something to do with my TNS Service Name not being in TNSNAMES ORA which points oracle toward the right server, port, etc However I cannot find TNSNAMES ORA I have an ORACLE_HOME environment variable, but it is empty
Java JDBC - How to connect to Oracle using tnsnames. ora The steps to connect to Oracle data source using TNS Alias name are: Set System Property for oracle net tns_admin This should point to the directory which has your tnsnames ORA file System setProperty("oracle net tns_admin", DIRECTORY_PATH_TO_TNSNAME ORA_FILE); Register an Oracle driver DriverManager registerDriver (new OracleDriver ());