Thanks guys, this works great.
On Tue, 25 Jan 2005, Stephan Szabo wrote:
>
> Each outer join gets an on clause. You might want something like:
> select
> coalesce(a.n,0) as a,
> coalesce(b.n,0) as b,
> coalesce(c.n,0) as c,
> coalesce(a.s,b.s,c.s) as s
> from
> ( select 1 as n, 0 as s) a full outer join
> ( select 1 as n, 1 as s) b on (a.s=b.s) full outer join
> ( select 2 as n, 2 as s) c on b.s = c.s;
>
>