[thelist] SQL Problem
Marios Andreas Tofarides
matofarides at hotmail.com
Sun May 6 19:33:54 CDT 2001
Dear Rudy,
> you need to group by the day part of the date, i.e. drop the time part
>
> select theday=convert(char(10),timestamp,102),avg(value)
> from yourtable
> group by theday
>
> 102 is the ansi format including century, yyyy.mm.dd
This is a nice idea, i'll try it
> you could try declaring a view, that will work --
>
> create view dayonly (theday, value)
> as select convert(char(10),timestamp,102), value
> from yourtable
>
> then
>
> select theday, avg(value)
> from dayonly
> group by theday
>
I don't know whether creating a view for each day would be a good idea,
because i beleieve it is gonna be too slow for the web page to show up.
Thank you anyway!!!
Marios
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