Re: MERGE as the imperative form of aggregation

Marshall wrote:
> Much of the discussion rests on the importance of transition
> constraints. I would like to discuss that. Are they important?
> Fundamental? What theoretic basis do they have? What
> are we to make of the fact that they are tuple oriented
> when the RA isn't?

They aren't necessarily tuple oriented. I thought that was pretty clear from the last(?) "correlating tuples" thread?

-- 
Jon