Hi Penny,
I hope someone proves me wrong, but I don't think you can modify a
constraint like that....I believe you have to drop it and recreate it.
Steve
penny wrote:
> Hi all,
>
> I am using Oracle8i Enterprise Edition in window 2000
>
> my problem as following
>
> ~~~~~~~~~~~~~~~~~~~~~
>
> SQL> create table ttt
> 2 ( name varchar2(100)
> 3 ,
> 4 constraint e check (name = lower(name)));
>
> Table created.
>
> SQL> alter table ttt
> 2 modify constraint e
> 3 check (name = upper(name));
> check (name = upper(name))
> *
> ERROR at line 3:
> ORA-00933: SQL command not properly ended
>
>
> How can I modify constraint e ????
>
> thanks.