RE: [SQL] combining a single field in two tables into one column. - Mailing list pgsql-sql

From Jackson, DeJuan
Subject RE: [SQL] combining a single field in two tables into one column.
Date
Msg-id D05EF808F2DFD211AE4A00105AA1B5D210072A@cpsmail
Whole thread Raw
List pgsql-sql
try:
select subnum from subs
union all
select vnum from vend;-DEJ

> -----Original Message-----
> From:    JT Kirkpatrick [SMTP:jt-kirkpatrick@mpsllc.com]
> Sent:    Friday, April 30, 1999 10:59 AM
> To:    'pgsql-sql@hub.org'
> Subject:    [SQL] combining a single field in two tables into one
> column.
> 
> i come seeking wisdom. . .
> 
> i have two tables, one for subcontractors and another for vendors.  subs 
> have a primary key of subnum int4, vendors a primary key of vnum int4.  i 
> need to create a query that allows me to see a complete list of these 
> numbers in a single column.  for instance, subnum (all begin with 9) has 
> values 90001, 90002, 90003 (only three records for the example), and vnum 
> (all begin with 2) has values 20001, 20002.  i'd like my query result to 
> show:
> 
> 90001
> 90002
> 90003
> 20001
> 20002
> 
> this does NOT work:  select a.subnum as z, b.vnum as z from subs a, vend
> b;
> NOR does: select a.subnum, b.vnum from subs a, vend b;
> 
> by the way, the two tables DO NOT relate to each other (i.e., 90001 does 
> not have anything to do with 20001). . .
> 
> TIA, jt


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