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Thanks ALL.. awesome insight.

I will try creating a view then running. For the record, this is the statement.
The CTE sums all of the pick tickets by item & location. It then compares that result with the quantity of the item in the location. The result is a "report" that shows warehouse staff what pick locations are going to run out of stock today.

With PicksByLoc as (
select odwhs#, odcom#, odprt#, ia101, pkloc1, pkloc2, pkloc3, sum(odctt#) as on_pick from oeordlod
join icprtmia on iacom#=odcom# and iaprt#=odprt#
join oelocnpk on pkcom#=odcom# and pkord#=odord# and pkrel#=odrel# and pkprt#=odprt# and pkorg#=odorg#
exception join oeboxcbx on bxcom#=odcom# and bxord#=odord# and bxrel#=odrel#
where odctt# > 0
group by odwhs#, odcom#, odprt#, ia101, pkloc1, pkloc2, pkloc3
)

select odwhs#, odcom#, odprt#, ia101, pkloc1, pkloc2, pkloc3, on_pick, irqoh# from PicksByLoc
join icbldtir on irwhs#=odwhs# and ircom#=odcom# and irloc1=pkloc1 and irloc2=pkloc2 and irloc3=pkloc3 and irprt#=odprt#
where on_pick > irqoh#;


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Greg Wilburn
Sent: Wednesday, December 1, 2021 4:25 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: SQL View vs CTE

I have a complex SQL statement that I'm going to use as a data source for a browser application. In ACS Run SQL scripts it consistently takes about 22 seconds to run. The statement contains a CTE followed by a join to the CTE. The files involved have a large number of records.

So I'm wondering if someone can tell me whether creating an SQL View in place of the CTE would yield any performance increase (I haven't spent much time looking at the Visual Explain in ACS).
I'm thinking it wouldn't make much difference.

TIA
Greg
[Logo]<https://www.totalbizfulfillment.com/> Greg Wilburn
Director of IT
301.895.3792 ext. 1231
301.895.3895 direct
gwilburn@xxxxxxxxxxxxxxxxxxxxxxx<mailto:gwilburn@xxxxxxxxxxxxxxxxxxxxxxx>
1 Corporate Dr
Grantsville, MD 21536
www.totalbizfulfillment.com<http://www.totalbizfulfillment.com>
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