Re: simple division

Joshua D. Drake <jd@commandprompt.com>

From: "Joshua D. Drake" <jd@commandprompt.com>
To: Martin Mueller <martinmueller@northwestern.edu>, pgsql-general <pgsql-general@postgresql.org>
Date: 2018-12-04T20:38:07Z
Lists: pgsql-general
On 12/4/18 12:29 PM, Martin Mueller wrote:
>
> I have asked this question before and apologize for not remembering 
> it. How do you do simple division in postgres and get 10/4 with decimals?
>
> This involves cast and numeric in odd ways that are not well explained 
> in the documentation. For instance, you’d expect an example in the 
> Mathematical Functions. But there isn’t.
>
> The documentation of string functions is exemplary. The documentation 
> of mathematical less so. Remember that it may be used by folks like me 
> whose math is shaky. The MySQL documentation is better on this simple 
> operation.
>
I may be misunderstanding the question but:


select cast(x/y as numeric(10,4));

JD



> -----
>
> Martin Mueller
> Professor emeritus of English and Classics
>
> Northwestern University
>

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