Hi !

Can somebody tell me what is difference between

1. sqlplus system/manager@DELPHI

&

2. sqlplus < Hit Enter > Key in Login name & Password.

First one connect fine ! But second one gives error ORA-12545.

Trying to connect from client unix box to oracel instance.

What i have checked so far :

1. Host name is correct !

2. DNS settings are okay !

3. ORACLE_SID & ORACLE_HOME are correct.


Regards !
Pankaj Jain