hi all

I have the following question for you :
We have a mainframe database with tables which have composite primary keys
with an ascending and a descending item.
For example a table with license regisitrations with primary key items
LICENSE in ascending and REGISTRATION_DATE in descending order.
As far as i know this is not possible with Oracle, only a unique index
should be a candidate to do this. 
I said should be, because if you need a foreign key relation to this
specific composite index i get an ORA-2270 !.
Anyone with an explanation why a create of a composite unique index with an
ascending and descending order works and not with the primary key clause ?
Is this triggered in oracle 9i or 10i ?

thanks




vr.gr.
G Kor
Sr. System Engineer I&DM Db
RDW 
Holland




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