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Using a lateral join you can order the join and also select the most recent row.
This makes a list of the records in drpshp00 and whssd00 and only the most recent record from yaudsd.
select drdid#,RCDCUID as userid,date(drstamp) as myDate,sdControl# as
control#,drshipper as shipper, sdPieces
from drpshp00 T1
inner join whssd00 T2 on drdid#=sddid#
join lateral( select T3.* from yaudsd T3
where T3.audfid = T1.sddid#
/*.. other filtering on yaudsd ...*/
ORDER BY T3.AUTIMESTAMP DESC FETCH FIRST 1 ROWS ONLY ) T3 ON 1=1
where drstamp >= '2022-10-26-00.00.00'
and audfnm = 'UPS'
and audds like 'UPS label printed Tracking:%'
Disclaimer: Any views or opinions presented are solely those of the author and do not necessarily represent those of the company.
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Art Tostaine, Jr.
Sent: Friday, October 28, 2022 6:01 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Sql question about join order
I need to get the last record from my inner join table, not the first one.
This query gets the first row from yAudSd. The table has a timestamp. Can I
order the join somehow or do I need to create an index?
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