SQL update one table select values from two -- MIDRANGE-L

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Subject: SQL update one table select values from two
From: "Art Tostaine, Jr." <atostaine@xxxxxxxxx>
Date: Tue, 16 Mar 2021 10:05:12 -0400
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I need to update one table based on values from two tables.

This is the select that works, but I want to update values in whssd00.

select count(*) from whssd00
join ptist00 on sddid# = stdid#
where (sdsps# = '131357867' or sdsps# = '131357868')
and stshtocity = 'RENO'

How can I change this SELECT to update the value in SDSPS#?

Thank you.

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Follow-Ups:

Re: SQL update one table select values from two , Charles Wilt

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