Re: Determining Top # from MySQL

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On Apr 10, 2010, at 10:02 PM, Ashley M. Kirchner wrote:

> 
> 
> Given a MySQL query like this $q = "select num from table", I get a result
> like this:
> 
> 
> 
> +---+
> 
> |num|
> 
> +---+
> 
> |  1|
> 
> |  4|
> 
> |  6|
> 
> |  2|
> 
> |  4|
> 
> |  5|
> 
> |  3|
> 
> |  2|
> 
> |  4|
> 
> |  2|
> 
> |  3|
> 
> |  3|
> 
> |  2|
> 
> |  1|
> 
> +---+
> 
> 
> 
> What I want is a listing of numbers sorted by the amount of times they
> appear (so I can take a top 5, or top 10):
> 
> 
> 
> +---+-----+
> 
> |num|count|
> 
> +---+-----+
> 
> |  2|    4|
> 
> |  3|    3|
> 
> |  4|    3|
> 
> |  1|    2|
> 
> |  5|    1|
> 
> |  6|    1|
> 
> +---+-----+
> 
> 
> 
> Is this a query that I can feed to MySQL, or is this something I need to
> sort out in PHP?
> 

This query should do it for you:
SELECT
	 num,
	COUNT(num) AS total 
FROM 
	table 
GROUP BY
	 num 
ORDER BY
	 COUNT(num) DESC 
LIMIT 10

Take care,
Floyd


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