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#1
December 10th, 2003, 04:14 PM
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Query one column to populate another
I wonder if you can offer some assistance with this query.
I need to query a table in SQL2000 to read the value in one column and populate a new column with new data. For example: If Column A = ABC in table Class_001 I need a query statement to populate Column Z with 123 If Column A = XYZ in table Class_001 I need a query statement to populate Column Z with 789 Your help would be much appreciated.
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#2
December 10th, 2003, 04:38 PM
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Code:
update Class_001
set Z = case when A = 'ABC'
then 123
else 789 end
where A in ('ABC','XYZ')
rudy http://r937.com/
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#3
December 10th, 2003, 05:58 PM
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Many thanks for your quick reply.
Your query works but I have changed it slightly as I would like to populate Test with different data depending on the data in PN This is my effort..... Is there an easier way?  update Class_021 set Test = '1' where PN = '3001' update Class_021 set Test = '2' where PN = '3002' update Class_021 set Test = '3' where PN = '3003'
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