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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
Use tnsnames. ora in Oracle SQL Developer - Stack Overflow I am evaluating Oracle SQL Developer My tnsnames ora is populated, and a tnsping to a connection defined in tnsnames ora works fine Still, SQL Developer does not display any connections Oracle
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 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
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 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
How to connect SQLPlus with tnsnames. ora - Stack Overflow I want to connect with my Oracle database without installing Oracle Client I downloaded: "Instant Client Package - Basic" and "Instant Client Package - SQL*Plus" Then I created folder on C:\\Oracle\\