Thanks,

I eventually ended up doing something like that,and got it working.
I booked marked the your example and will try variations of it.

I got most of my system working, but I am still overwhelmed with
economic data releases from around the word.

On 5/3/10, Tim Romano <tim.romano...@gmail.com> wrote:
> Matt,
> You cannot select a column from a relation if the relation does not include
> the column. The query inside the ( ) returns a single column, table_id.
>
> select a_format
> from
> (
> select table_id
> from table_id_list
> where prefix_code = 'MyPrefix_code'
> );
>
> However, if table_id corresponds to a_format, you can supply an alias for
> that column in the inner select, like this:
>
> select a_format
> from
> (
> select table_id as a_format
> from table_id_list
> where prefix_code = 'MyPrefix_code'
> );
>
>
> Regards
> Tim Romano
> Swarthmore PA
>
>
>
>
>
>
>
>
>
>
>
> On Sun, May 2, 2010 at 10:22 AM, Matt Young <youngsan...@gmail.com> wrote:
>
>> I am a bit of a novice.  I am dealing with meta data, descriptions of
>> the Bureau of Labor Statistics database. BLS data is identified by a
>> series code (16 chars long) but the series format is different for
>> each data group)
>>
>> I need to extract from an SQL table the names of other SQL tables and
>> reference them in a second query to build the proper series_id code:
>>
>> I haven't tried this, I assume it can't be done:
>>
>> select a_format  from (select table_id from table_id_list where
>> prefix_code = 'MyPrefix_code');
>>
>> Is this beyond SQL?  Is there a better solution?
>> _______________________________________________
>> sqlite-users mailing list
>> sqlite-users@sqlite.org
>> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
>>
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