oracle - Where is TNSNAMES.ORA? - Stack Overflow
https://stackoverflow.com/questions/33907809/where-is-tnsnames-ora
WebNov 25, 2015 · Step 1) Please check if Oracle has been installed on your system. On Cmd, Type 'sql plus'. Then Control Panel -> Advanced System Settings ->. 3)On the 'Advanced' tab, select 'Environment Variables' Then check 'Oracle ' or 'TNS_ADMIN' on System Variables. Here, on 'TNS_ADMIN' will get the path for TNS file.
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