Percent more than Average

This query is marked as a draft This query has been published by Pushakiran.

Compare each top editor's total edits against the overall average: How much more than average as percentage

SQL

WITH total_edits AS (
  SELECT 
    rev_actor,  
    COUNT(rev_id) AS edit_count
  FROM revision
  WHERE rev_timestamp >= DATE_SUB(CURRENT_DATE, INTERVAL 3 MONTH)  
  GROUP BY rev_actor
),
overall_average AS (
  SELECT 
    ROUND(AVG(edit_count), 0) AS avg_edits
  FROM total_edits
)

SELECT 
	 te.rev_actor,
  concat(ROUND(((te.edit_count - oa.avg_edits) / oa.avg_edits) * 100, 0), '%')  AS percentage_above_average
FROM total_edits te, overall_average oa
WHERE te.edit_count >= oa.avg_edits  
ORDER BY te.edit_count DESC
LIMIT 5;

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SQL

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