Can you rollback a table creation?

Is it possible to rollback the creation of a table? The attached seems to indicate that you can't; what am I doing wrong?

any help appreciated,
jim

$ sqldba
SQL*DBA: Release 7.0.12.0.0 - Production on Thu Apr 7 06:14:28 1994

Copyright (c) Oracle Corporation 1979, 1992. All rights reserved.

ORACLE7 Server Release 7.0.12.0.0 - Production

SQLDBA> connect /;
Connected.
SQLDBA> create table test (name char(10)); Statement processed.
SQLDBA> rollback;
Statement processed.
SQLDBA> create table test (name char(10)); create table test (name char(10))

             *
ORA-00955: name is already used by an existing object Received on Thu Apr 07 1994 - 05:51:42 CEST