GGSCI (gg321) 47> exit
[oracle@gg321 ggs]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.4.0 - Production on Sun Apr 19 14:50:10 2015

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.



Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> SQL> SQL>
SQL>
SQL>
SQL>
SQL>
SQL> ALTER TABLE USERA.TABA   ADD SUPPLEMENTAL LOG DATA (ALL) COLUMNS;

Table altered.

SQL> exit

?