[AccessD] Basic Question

Hey gurus,

I have a basic question for you.  Quite a few times, in the past, I've
used Union Join queries to join different queries into common data.  For
instance:

select [WBS1], [SumOfFeeBillingCurrency] as [BeginFee], 0 as [EndFee]
from [qryReportingBacklogFeeBegin]

UNION select [WBS1], 0 as [BeginFee], [SumOfFeeBillingCurrency] as
[EndFee] from [qryReportingBacklogFeeEnd];

Recently I was testing one.....and discovered that my data result was
not correct.  I was thinking that with the union join, if one dataset
did not have matching data, to the other...I would only get one line of
data.  Otherwise, I should get two lines....which I then summarized in
another query of this union join.  However, I found that I only got data
from the datasets, where the select occurred in BOTH sets...([WBS1], in
the above scenario.)  Is that right??  

Keith Williamson | Associate, Asst. Controller | kwilliamson at rtkl.com 

RTKL Associates Inc. | 901 South Bond St. | Baltimore, MD  21231

410.537.6098 Direct | 410.276.4232 Fax | www.rtkl.com


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