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Re: Calculate Percentage with Count
Posted by: Peter Brawley
Date: October 24, 2014 10:50AM

Write a pivot table ... 

select id,
  sum( if(mark>=90,1,0) ) as '90%+',
  sum( if(mark between 81 and 90,1,0) ) as '81-90%',
  ...etc...
from ...
group by id;


More on the subject under "Pivot tables" at http://www.artfulsoftware.com/queries.php

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Calculate Percentage with Count
Manoj Talukdar
October 24, 2014 03:11AM
Re: Calculate Percentage with Count
Peter Brawley
October 24, 2014 10:50AM


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