Re: [Firebird-devel] FIRST/SKIP vs ORDER BY or select expressions strike back

[Alexander R. <ale...@ia...>]

Mike Nordell wrote:

> I believe a FIRST/SKIP on an unordered set would be completely useless. If I
> have an unordered set S, and subtract a set "first" M from S, and S-M could
> return completely different responses from time to time given the same set
> S, would it be useful for anything but stochastic theory research?

To my point of view it's wrong to forbid such constructions. If it doesn't
damage anything, why to forbid it? Maybe somebody can find it useful (for
example, some analogue of random rows).

--
With respect
Alexander Rabtchevich