Re: BETWEEN bug?

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От Josh Berkus
Тема Re: BETWEEN bug?
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Msg-id 200207101457.35614.josh@agliodbs.com
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Ответ на Re: BETWEEN bug?  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Ответы Re: BETWEEN bug?
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Stephan,

> Spec thing.
>
> In SQL92,
> "X BETWEEN Y AND Z" is equivalent to "X>=Y AND X<=Z".
>
> In SQL99, there's BETWEEN SYMMETRIC and ASYMMETRIC, but ASYMMETRIC is the
> default which is the same as the SQL92 version afaics.  Symmetric is an
> optional feature that I think Christopher's been working on.

Thanks.  Thought it was something like that.

Thank you guys, though, OVERLAPS is asymmetric.

--
-Josh Berkus

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