How to create tabular form whithout primary key in table

Hi All,
I have requirement to create a tabular form but the problem is, the table which I am using in the application don't have any Primary key, I am using only one table can't change any thing in table.(i.e can't add any row in table,no change in data model)
How can I create tabular form when primary key is not available.
looking forward for all of your quick responce.
Thanks in advance.
Dikshit Kumar Nidhi

You can create a view like
select a.rowid id, a.*
from table a
and create a tabular form on this view. You can use
the new column ID as Primary key.Did you try to actually do this? I did at
http://htmldb.oracle.com/pls/otn/f?p=24317:159
And when I change something and click Submit, I get an error
Error in mru internal routine: ORA-20001: Error in MRU: row= 1, ORA-01733: virtual column not allowed here, update "VIKASA"."NO_PK_VW" set "ID" = :b1, "I" = :b2, "J" = :b3 where "ID" = :p_pk_col
Thanks

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