La sintaxis es:
sqlplus USUARIO/PASSWORD@SERVER-IP:PORT/SID
Ejemplo
[email protected]:~> sqlplus portal/[email protected]:1521/webdb SQL*Plus: Release 11.2.0.1.0 Production on Tue Nov 25 14:32:40 2014 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production With the Partitioning, Real Application Clusters, OLAP, Data Mining and Real Application Testing options SQL> SQL>