Solving the ORA-12504 Error
When attempting to use the ODBC Data Source Administrator to test a connection to an Oracle Database from an Oracle client – one that did not have TNSPING installed – I got the above error: Unable to connectSQLState=S1000[Oracle][ODBC][Ora]ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA When searching this error, I found quite a few … Read more