select count(*) from test1
where
MINUTE(tm1) >= 15
and
MINUTE(tm1) <= 30
and
HOUR(tm1)=12
this query will return you on column containing how many record found in
that time range, same as how many customers where surfed at that time
where 30-15=interval
and 12 is the hour you're checking in!
"David Tandberg-Johansen" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hello!
>
> I am trying to make an online booking script for a client (restaurant),
and
> I am using MySQL to store the booking information
> The restaurant have openings hour from 11:00 -> 01:00, but do only take
> reservation between 11:00->22:30.
> The client wants to get a report written out over each hour like this:
>
> 11:00 2 Customers
> 11:15 32 Customers
> 11:30 12 Customers
> ...
> ...
> 22:30 14 Customers
>
> In the MySQL table I have set up the time field as 'time' with 00:00:00 as
> default.
>
> Everything is ok, but I am stuck on how to make this report. The customer
> have set an interval of 15 mnutes between possible time to book, so I have
> to make an 'SELECT'-query based on when the restaurant opens to the time
of
> the last possible booking time. But how do I make the timeset (11:00:00
and
> up to 22:30:00)
>
> My far out example:
> interval = 15;
> while (time<=endtime){
> time=starttime
> DBCONNECTION
> Select * from booking wher tine_field='time'
> time = time+interval
> }
>
> Do anyone have any tips on how I can solve this
>
> David
>
>
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