Trying to get unique records with MySQL

Posted by Joshmattvander on Stack Overflow See other posts from Stack Overflow or by Joshmattvander
Published on 2010-03-19T06:37:59Z Indexed on 2010/03/19 6:41 UTC
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mysql

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mysql-query

I have a query that is looking at a 'page_views' table. And I so far have the ability to get the total views by day. However, I am having an issue with getting unique views by day.

The column I am testing against is user_id... Here's the query I have for total views.

SELECT 
  site_id, 
  CONCAT(month(created_at) , '-',   day(created_at), '-' , year(created_at)) as created_at_date, 
  COUNT(*) as total_results 
FROM 
  page_views 
GROUP BY day(created_at)

I can't figure out the logic to just get the unique views, by day based on the user_id column though.

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