Sp2-0640 Not Connected
Sp2-0640 Not Connected . Enter the hostname or ip of the oracle database server, and accept port 1521 (the default listening port). If you had an otmfaq.com account, your information has been transferred here. oracle 11g not able to connect with scott user, showing invalid from stackoverflow.com Can you please post your command line how you started sql*plus and before creating a database link just perform a select: Accept the default of tcp, and click next. Sqlplus /nolog starts sql*plus without a database connection.