การสร้างหลายกลุ่มด้วย CASE

-- Complete the syntax for cutting the duration into different cases
SELECT DurationSeconds, 
-- Start with the 2 TSQL keywords, and after the condition a TSQL word and a value
      ___ ___ (DurationSeconds <= 120) ___ ___
-- The pattern repeats with the same keyword and after the condition the same word and next value          
       ___ (DurationSeconds > 120 AND DurationSeconds <= 600) ___ ___
-- Use the same syntax here             
       ___ (DurationSeconds > 601 AND DurationSeconds <= 1200) ___ ___
-- Use the same syntax here               
       ___ (DurationSeconds > 1201 AND DurationSeconds <= 5000) ___ ___
-- Specify a value      
       ELSE ___ 
       END AS SecondGroup   
FROM Incidents