I am new user for sqldeveloper and I try to create a new user.
I use this command line: create user <myusernanme> identify by <password>
But I get this error: SP2-0640: Not connected
Can anyone help me?
Have you connected to a database? Check: https://docs.oracle.com/cd/A97630_01/server.920/a90842/qstart.htm connect username/password@connect_identifier