Sergey,

Thanks, that is very helpful as I will have a lot more control now<s>!

Terry

>Terry,
>
>It has nothing to do with identity field.
>According to BOL, there can be only one ORDER BY clause per statement at the very end of it

select * from trnhead where shipped=0
>union all
>select * from ordhead where shipped=0 order by id

>
>>id field is primary key w/1 increment identity on that field as well.
>>
>>I can do:
>>select * from trnhead where shipped=0 order by id
>>fine.
>>
>>but:
>>select * from trnhead where shipped=0 order by id
>>union all
>>select * from ordhead where shipped=0 order by id
>>won't work with the order bys in there.
>>
>>I just took the order bys out since the ordering is okay it seems without, but:
>>
>>Does anyone know why?