It work !
I already try SUBSTRING(column,2,2) but it's generate error message.

Thanks a lot Mr.caine !

Regards,
MONA.

--- In firebird-support@yahoogroups.com, Lester Caine <lester@l...>
wrote:

> monaasn wrote:
>
> > I have a table with data :
> >
> > AA00,BB01,CC00,DD02
> >
> > I want the data sort by substring from the third char, so the

data

> > will appear : 00,00,01,02.
> >
> > If I use SQL on oracle, I can use the syntax :
> >
> > SELECT SUBSTR(column,2,2) FROM TABLE1
> >
> > How the syntax can I use with firebird ?
>
> Firebird 1.5 supports the ANSI function SUBSTRING
>
> SELECT SUBSTRING( column FROM 2 FOR 2 ) FROM TABLE
>
> then simply add
> ORDER BY 1( the number of the column with the string in)
> to sort the results
>
> --
> Lester Caine
> -----------------------------
> L.S.Caine Electronic Services