From: | Geoff Tolley <geoff(at)polimetrix(dot)com> |
---|---|
To: | Andrew Sullivan <ajs(at)crankycanuck(dot)ca> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Differentiate Between Zero-Length String and NULLColumn Values |
Date: | 2007-01-30 18:14:26 |
Message-ID: | 45BF8B02.1050607@polimetrix.com |
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Thread: | |
Lists: | pgsql-sql |
Andrew Sullivan wrote:
> AFAIK they don't accept the latter any more than we do. But again,
> I'm an Oracle ignoramous. I _do_ know that people of my acquaintance
> who have historically only developed against Oracle have given me
> queries with things like
>
> value = ''
>
> in it, and been surprised. Or at least, I think it's like that. I
> do recall hearing a lot about how stupid Postgres was because it
> didn't like something that worked "perfectly well" on Oracle, which I
> was assured was the most SQL-compliant system on the planet.
> Happily, I no longer work with any of those people :)
At my last job I used Oracle 8i and 9i (standard editions), and I very
definitely remember the pain of it interpreting the empty string as a
NULL (especially relevant when input needed trimming).
- Geoff
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