g == gryz...@gmail.com writes:

 g> 2009/6/9 Brandon Metcalf <bran...@geronimoalloys.com>:


 g> > I'm not sure I follow how this solves the problem.

 g> Well, surely if you just need one row, you need single value per key.
 g> And that's the, imo , better solution to that problem, than limiting
 g> number of rows.


Hm.  Maybe I'm looking at the problem incorrectly.  I have a situation
where I need a table like

  CREATE TABLE foo (
    start  DATE,
    length VARCHAR(10),
  );

I need to be able to get one value for each column at any given time.
Specifically, I need to get a value for start and add the value for
length to get a time period.  Since your approach would allow more
than one row, how does it help me?

-- 
Brandon

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