In article <[EMAIL PROTECTED]>,
"Robins Tharakan" <[EMAIL PROTECTED]> writes:
> While we could always check for the query performance reasons, I
> rather think that this is an overkill for the purpose of mere line
> numbers.
> If such queries don't change frequently, you could be better off
> using a simple function that instead adds a 'rownumber' field to the
> output of the inner SQL query. The 'rownumber' could instead be
> calculated by simply incrementing it within a FOR loop for each row.
I think a sequence is much simpler:
create temp sequence tmp;
select nextval('tmp') as rownum,
contactdate
from
myTable
where
contactdate > '2007-06-30 23:59:59'
order by
contactdate;
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