Re: query-question

Hello

|| isn't OR!!

testdb011=> select 'aaaa'||'bbbbbbb';
?column?
-------------
aaaabbbbbbb

This is SQL, not java or C. OR is OR in SQL :->

Pavel

On Thu, 11 Sep 2003, [ISO-8859-1] Alexander Blüm wrote:

> hello,
>
> I'm facing an odd problem.
> I have a query:
>
> SELECT "Kürzel", "Autor(en)", "Titel"
> FROM "tblTitelangaben"
> WHERE "Titel"||"Kürzel"||"Monographie-Kürzel"||"Autor(en)" ILIKE '%er%';
>
> this works like a charm.
>
> but if I add another ||"something" - which might be emtpy, I get no
> results.. why?
>
> WHERE
> "Titel"||"Kürzel"||"Monographie-Kürzel"||"Autor(en)"||"Herausgeber"
> ILIKE '%er%';
>
> || is the same as "OR", is it not?
>
> 1 OR 0 = 1
> 1 OR 1 = 1
> 0 OR 0 = 0
> right?
> therefore I should get the same, or more results...
>
> any hints are greatly appreciated!
>
> TIA,
> alex
>
>
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