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From Andre Reiter <a.rei...@web.de>
Subject Re: data structure
Date Thu, 14 Jul 2011 21:23:17 GMT
> ----- Original Message -----
> From: Ted Dunning <tdunning@maprtech.com>
> Sent: Thu Jul 14 2011 23:17:20 GMT+0200 (CET)
> To:
> CC:
> Subject: Re: data structure

> You can play tricks with the arrangement of the key.
>
> For instance, you can put date at the end of the key.  That would let you
> pull data for a particular user for a particular date range.  The date
> should not be a time stamp, but should be a low-res version of time
> (day-level resolution might be ok) so that you can minimize number of rows.
>

hi Ted

i do not see any way to put the date into the row key, there are many requests/impressions
for a particular user (row key)
so no chance to put a date into the key

andre




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