session 2
SQL> drop table t_temp;
drop table t_temp
*
ERROR at line 1:
ORA-14452: attempt to create, alter or drop an index on temporary table alreadyin use
SQL> alter table t_temp add col2 varchar2(200);
alter table t_temp add col2 varchar2(200)
*
ERROR at line 1:
ORA-14450: attempt to access a transactional temp table already in use
[/php]