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AdventureWorks Database: Evaluate whether the values in two columns are the same

SQL Query - AdventureWorks: Exercise-129 with Solution

129 From the following table write a query in SQL to evaluate whether the values in the MakeFlag and FinishedGoodsFlag columns are the same.

Sample table: production.Product


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Sample Solution:

SELECT ProductID, MakeFlag, FinishedGoodsFlag, 
   CASE  
       WHEN MakeFlag = FinishedGoodsFlag THEN NULL  
       ELSE MakeFlag  
   END  
FROM Production.Product  
WHERE ProductID < 10;

Sample Output:

productid|makeflag|finishedgoodsflag|makeflag|
---------+--------+-----------------+--------+
        1|false   |false            |        |
        2|false   |false            |        |
        3|true    |false            |true    |
        4|false   |false            |        |

SQL AdventureWorks Editor:

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