also copy but look what the doc says (7.3.4)

Code:
Copying Data from One Database to Another
Use the SQL*Plus COPY command to copy data between databases and between tables on the same database. With the COPY command, you can copy data between databases in the following ways:

copy data from a remote database to your local database
copy data from your local (default) database to a remote database (on most systems)
copy data from one remote database to another remote database (on most systems)
Note: In general, the COPY command was designed to be used for copying data between Oracle and non-Oracle databases. You should use SQL commands (CREATE TABLE AS and INSERT) to copy data between Oracle databases