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    <p>You just need to include your <code>CASE</code> in the <code>UPDATE</code> statement and not the local variable you were trying to use, like:</p> <pre><code>UPDATE VF_CasINV_Cost SET LeastOfThree = --&lt;&lt;your big case here where (CalendarYear = 2010) AND (Item# = Item#) AND (ID = ID) and (Item# &lt; 99999990) </code></pre> <p>so this is the final code:</p> <pre><code>UPDATE VF_CasINV_Cost SET LeastOfThree = CASE WHEN Market = Wgtd_Avg and Wgtd_Avg = LiFo THEN Market WHEN Lifo = 0 and Wgtd_Avg = 0 and Market &lt;&gt; 0 THEN Market WHEN Market &lt; LiFo AND Market &lt; Wgtd_Avg AND Market &lt;&gt; 0 THEN Market WHEN Market &lt;= Wgtd_Avg AND LiFo = 0 THEN Market WHEN Market &lt;= LiFo AND Wgtd_Avg = 0 THEN Market WHEN Market = 0 and Wgtd_Avg = 0 and LiFo &lt;&gt; 0 THEN LiFo WHEN LiFo &lt; Market AND LiFo &lt; Wgtd_Avg AND LiFo &lt;&gt; 0 THEN LiFo WHEN LiFo &lt;= Market AND Wgtd_Avg = 0 THEN LiFo WHEN LiFo &lt;= Wgtd_Avg AND Market = 0 THEN LiFo WHEN Market = 0 and LiFo = 0 and Wgtd_Avg &lt;&gt; 0 THEN Wgtd_Avg WHEN Wgtd_Avg &lt; Market and Wgtd_Avg &lt; LiFo and Wgtd_Avg &lt;&gt; 0 THEN Wgtd_Avg WHEN Wgtd_Avg &lt;= Market AND LiFo = 0 THEN Wgtd_Avg WHEN Wgtd_Avg &lt;= LiFo AND Market = 0 THEN Wgtd_Avg WHEN Market &lt;= LiFo and LiFo &lt; Wgtd_Avg and Market &lt;&gt; 0 THEN Market WHEN LiFo &lt;= Market and Market &lt; Wgtd_Avg and LiFo &lt;&gt; 0 THEN LiFo WHEN Wgtd_Avg &lt;= LiFo and LiFo &lt; Market and Wgtd_Avg &lt;&gt; 0 THEN Wgtd_Avg ELSE 0 END where (CalendarYear = 2010) AND (Item# = Item#) AND (ID = ID) and (Item# &lt; 99999990) </code></pre>
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    1. POFinding the least of three is working great, but how do I save the value to my table for each row?
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    1. USKM.
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