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From Zoran Avtarovski <zo...@sparecreative.com>
Subject Re: OT: COUNT query speed issue
Date Fri, 17 Jun 2005 05:03:10 GMT
Thanks for the suggestion Larry,

That's exactly what I was thinking, but I guess I was concerned that it was
overkill. Do you know if there are some example approaches or methodologies
I can read up on.


> Is this historical data? What I mean by that is, does it change frequently?
> If not, maybe a better approach would be to periodically create a
> table with the data in a summarized form.
>> From the original email, it sounds like this approach may work for
> data where the log_time is before today, but maybe not for today's
> data. If that is the case, you could union the two queries (one over
> the historical data, and one over the live data for today).
> Larry
> On 6/16/05, Zoran Avtarovski <zoran@sparecreative.com> wrote:
>>> Do things get faster if you have the database index remote_id and
>>> log_time?
>> The log_time column is indexed, but I couldn't work out how to index two
>> columns in mysql.
>> Z.

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