On 2 Aug 2001 [EMAIL PROTECTED] wrote:
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> first review the text of the message to make sure it has something to do
> with MySQL. You have written the following:
>
>
> Part I
> ======
>
> I'm setting up a cron job and want to be able to get records that have
> been accessed in the past X number of minutes.
>
>
> I tried doing this:
>
> SELECT postcard.uniq_id, (now() - accesstime) as smalldiff,
> recipients_last_name, accesstime
> FROM postcard
> HAVING (smalldiff <=500) and (smalldiff >= 0);
>
> and it sorta works. (By tinkering I've found out that each minute is
> equal to 100 'ticks'(?) - so in the example above, 5min = 500.
> But it fails if the event occurred at 4:47pm and now it's 5:02pm.
>
> Anyway, I'm sure there has to be a better way to do this...please help
> me!
>
> Also, what about in past 30minutes, past hour, past 6 hours, etc.
>
>
> Part II
> =======
> How can I get a count of this - meaning I only want outputted a number
> that corresponds to how many uniq.id's have been accessed in past X
> time period.
>
> SELECT postcard.uniq_id, (now() - accesstime) as smalldiff,
> recipients_last_name, accesstime
> FROM postcard
> HAVING (smalldiff <=500) and (smalldiff >= 0);
>
>
> thanks a lot.
> mark
>
Mark R. Cervarich
Shelfspace.com
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