Re: mathematical calculations - sql queries

From: "Andres Olarte" <olarte(dot)andres(at)gmail(dot)com>
To: "vbhatia(at)ksu(dot)edu" <vbhatia(at)ksu(dot)edu>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: mathematical calculations - sql queries
Date: 2007-07-30 02:38:46
Message-ID: 3fccaa690707291938s437884bsbcd923160b0a097c@mail.gmail.com
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Sure, this is not a jdbc question, but it's fairly easy:

INSERT INTO table2 (col_name2) SELECT power(col_name1,3) FROM table1;

On 7/29/07, vbhatia(at)ksu(dot)edu <vbhatia(at)ksu(dot)edu> wrote:
> Hi all,
>
> Thanks for replying to previous mail, I have one more question. Can I
> write a postgresql query that retrieves a particular field from a table
> and performs some mathematical calculation on that field involving
> exponential( exp) and pow functions and storing the result in a new
> table.
>
>
> Somethign like this
> select field1 from tablename1 ( performing calculation on field1 ) (
> storing in another table)
>
>
> Thanks and regards,
> Vishal
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>

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