ORA-01017: invalid username/password; logon deniedORA-12154: TNS:could not resolve the connect identifier specifiedORA-12541: TNS:no listenerORA-00942: table or view does not existORA-00904: invalid identifierORA-01722: invalid numberORA-06502: PL/SQL: numeric or value errorORA-00933: SQL command not properly endedORA-04030: out of process memoryORA-02291: integrity constraint violated - parent key not found
