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I want to select a value based on different column in SQL Server,
say
Result = Isnull(A.OUT1,'')<>'' then select A.OUT1
Isnull(A.OUT2,'')<>'' then select A.OUT2
Isnull(A.OUT3,'')<>'' then select A.OUT3
How to form query to get the Result?
Do you mean something like this:
SELECT CASE WHEN isnull(a.out1,'') '' THEN a.out1 WHEN isnull(a.out2,'') '' THEN a.out2 WHEN isnull(a.out3,'') '' THEN a.out3 ELSE '' END AS out_column FROM the_table a