RE: SQL Question

["Hatzenbeler, Tim" <thatzenbeler@xxxxxxxxxxxxx>]

Thank you,  The union was what I was looking for...  If by chance my field
length are different, can I substring to make them match?

Thanks again, tim

> -----Original Message-----
> From: Buck Calabro [SMTP:Buck.Calabro@xxxxxxxxxxxx]
> Sent: Friday, March 07, 2003 1:57 PM
> To:   Midrange Systems Technical Discussion
> Subject:      RE: SQL Question
> 
> Hi Tim!
> 
> >What I would like to do, is create a view, 
> >with a new key field, that joins these 2 
> >tables into 1 table, for the purpose of my query...  
> >here is the kicker...  the field names are not 
> >the same...  there both character fields...
> >tablea
> >~~~~~~~~~
> >loc     stock
> >add1   4201
> >add2   bend, oregon
> >
> >tableB
> >~~~~~~~~
> >shiploc   mm
> >shipadd1  3907 highland dr
> >shipadd2  bellingham, wa
> 
> I'm not sure if you want a JOIN or a UNION.  The difference is that a JOIN
> will produce a new record format with all the fields from both files in
> it,
> where a UNION will produce a record format with one set of fields.
> 
> The JOIN:
> select loc,shiploc,add1,shipadd1,add2,shipadd2
>   from tablea,tableb
>   where loc=shiploc
>   order by loc
> You can see that you will get a record with 6 fields in it.
> 
> The UNION:
> select loc,add1,add2 from tablea union
> select shiploc,shipadd1,shipadd2 from tableb
>   order by 1
> In this case, you get a single table with the addresses from TABLEA and
> TABLEB mixed together.  If you need to distinguish the records by table,
> include a "discriminator" field like so:
> 
> select 'A',loc,add1,add2 from tablea union
> select 'B',shiploc,shipadd1,shipadd2 from tableb
>   order by 1,2
> Now, all the records from TABLEA will appear before the records from
> TABLEB.
> 
> The key to UNION is that the SELECT clauses need to exactly match in
> datatype column for column.  That is, loc and shiploc must each be
> character, add1 and shipadd1 character and so on. 
> 
> I hope I gave you something to work with.
>   --buck
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