On 1/29/2015 10:58 AM, Sterpu Victor wrote:
> Can I write a query where I receive a single result set from many queries?
> Something like this: SELECT (SELECT 1 AS t1, 2 AS t2), (SELECT 3 AS t3)
> I tried exactly this but the error is: "ERROR: subquery must return
> only one column"
> But I don't see why it must have only one column.
do you want
1 | 2 | 3
or
1
2
3
as your result? the first is a join, the 2nd is a union.
--
john r pierce 37N 122W
somewhere on the middle of the left coast
