From: | <mallah(at)trade-india(dot)com> |
---|---|
To: | <adam(at)tritus(dot)ca> |
Cc: | <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Percentage of Total Occurances |
Date: | 2003-04-15 17:10:37 |
Message-ID: | 1177.219.65.253.230.1050426637.squirrel@mail.trade-india.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-sql |
> I have a table being used for poll results:
>
> id
> poll_id
> question_id
> answer_id
> datestamp
>
> I what to figure out the percentage or respondants that gave each answer. This is based on
> occurance rather than values.
select answer_id,count(*) from polls where poll_id = ?
group by answer_id ;
gives number of response of each answer
total_response = select count(*) from polls where poll_id = ?
getting %age shud be trivial.
Dunno if i missed your question .
>
> I want to be able to figure it out for a single (poll_id,qustion_id) combination and also for
> multiple questions.
>
sorry i do not get it.
> Thanks for your help,
>
> A.
>
>
> --
> Adam Sherman
> Tritus CG Inc.
> http://www.tritus.ca/
> +1 (613) 797-6819
>
>
> ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9'
> the postmaster
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