Learn T-SQL Commands with Samples
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Simple Case

  

      

      EMP
      

      

      ID      
      Name    
      Country 
      Salary 
      

      

      1
      Vijay
      India
      6000
      

      

      2
      Bill
      USA
      8000
      

      

      3
      Kris
      France
      3000
      

      

    
      SELECT *,

      CASE Country
          WHEN    'USA'       THEN    'High Tax'
          WHEN    'India'     THEN    'Low  Tax'
          WHEN    'France'    THEN    'No Tax'
          ELSE                        'Not Applicable'
      END

      AS        Tax

      FROM      EMP
    
      

      
Output


      

      ID
      Name
      Country
      Salary
      Tax
      


      

      1
      Vijay     
      India     
      6000
      High Tax
      


      

      2
      Bill      
      USA       
      8000
      High Tax
      


      

      3
      Kris      
      France    
      3000
      No Tax