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Question:  write a query to update third column such that

Answer: There is a table having the following columns :-
student id marks1 marks2 maxmarks
1 10 20 20
2 25 30 30
3 30 10 30
4 35 25 35
5 20 40 40


write a query to update column maxmarks such that maxmarks column contains
whatever be the greater value among marks1 and marks2 columns ( as shown in table ).


January 01, 2009 15:37:35 #8
 Vishuraj   Member Since: January 2009    Total Comments: 3 

RE: write a query to update third column such that
 
Update Marks
set Maxmarks = case when Marks1>Marks2 then Marks1 else Marks2
end
     

 

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