Subject Re: [firebird-support] Help with strange answer in WHERE clause
Author Arno Brinkman
Hi,

> I am having a strange behaviour in a SELECT statement. The field
> over which I do the WHERE is defined as VARCHAR(5). If I do:
> SELECT COUNT(*) FROM STUDENTS WHERE SCHOOL <= '999';
>
> I get 10,569 as the answer, but if I do:
> SELECT COUNT(*) FROM STUDENTS WHERE SCHOOL <= '1000';
>
> I get 0 as the answer.
> Thanks.

And you've only entries which have a starting character greater than '1000'
('2' is higher as '1000' !) ?
You're filtering on a varchar not on a number !

Regards,
Arno Brinkman
ABVisie

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Firebird open source database (based on IB-OE) with many SQL-99 features :
http://www.firebirdsql.org
http://www.firebirdsql.info
http://www.fingerbird.de/
http://www.comunidade-firebird.org/

Support list for Interbase and Firebird users :
firebird-support@yahoogroups.com

Nederlandse firebird nieuwsgroep :
news://80.126.130.81