> Graphical components and UI admin tools can trap us into thinking that an
> "empty result set" (a row of blank fields in a grid or "dataset"
> structure) is a row of nulls. Of course it's no such thing, but such
> perceptions can delude us when we visit PSQL-Land.
>

Just a quick note, I do not know a componentset or GUI tool
that displays an empty row where there is no row in the set.

Could be that there are tools that do that, but that certainly is
wrong, for all the points Helen mentioned.

With regards,

Martijn Tonies
Upscene Productions
http://www.upscene.com

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