Want to remove the default value of a column in a table

HI
I have a table called User_ind. This table columns have default values as 'n' like
create table user_ind(
ind_num varchar2(1)
,group_allowed varchar2(1) default 'y'
,view_allowed varchar2(1) default 'y'
now i want to remove the default values How can i procede with this.
Urgent .
Thanks in advance.
Chaitanya.

In Oracle 9i you cannot remove the DEFAULT, you can only change it to null:
alter table user_ind modify group_allowed varchar2(1) default null
You can check it using this one:
select table_name,column_name,data_default
from user_tab_columns
where table_name = 'USER_IND'
Best Regards
Krystian Zieja / mob

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