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  3. June 2016

Re: SQL question

On Mon, Jun 27, 2016 at 12:34 PM, CRPence <crpbottle@xxxxxxxxx> wrote:
Note: What is the desired effect, can not be divined solely from the query
shown in the OP. With some example data and the desired effect presented as
a report\result-set, the intention might be made clear; an example with some
data for the above simplified query Q1 might even be sufficient to
elucidate, offering some DDL like "create table oe_test (ohdtcr int, ohbrch
int, wxidfm char)" as the initial setup.?

Well, the SELECT portions of both sides of the UNION are identical,
except for the libraries. In one, he's got

from bapdata.oeohdp
join bapdata.oeodtp on ohbrch =

whereas in the other, it's

from baphst.oeohdp
join baphst.oeodtp on ohbrch =

So, while we can't be *sure*, it definitely seems to me he's using
UNION in an attempt to pull in both the "live" and "historical" data
for the files in question, after already having successfully pulled
the data for just one or the other, without UNION.

John Y.

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