Re: Re: Two tables (Slightly 0T)

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Hey,
Thanks for replying.

I know, I need to start brushing up on my Sql, problem is I rarely need to
use much other than
a simple select,update,insert.

Sorry I didnt write my where query before...this is what i am using:

SELECT last_online  from `members_online` WHERE
last_online > DATE_sub(NOW(),INTERVAL 5 MINUTE );

Cheers,
Ryan

On 4/16/2005 4:29:27 PM, Matthew Weier O'Phinney (matthew@xxxxxxxxxx) wrote:
> * Ryan A <ryan@xxxxxxxxxxxx>:
>
> > My host has MySql 4.0.x so I cant really use the nested selects of 4.1
:-
> (
>
> > please tell me how you solved something like this;
>
> >
>
> > I have two tables:
>
> > users_online (username , dateandtime)
>
> > users_details (cno, username, has_image, image_name)
>
> >
>
> > 1a) I have to select x records from users_online where $username is not
> more
>
> > than 3 minutes old,
>
> > 1b) then I have to check if that username has_image,if yes, get the
>
> > imagename
>
> >
>
> > I thought of having the imagename also in the users_details, but we are
>
> > allowing our members to
>
> > change/modify their images at will....
>
> >
>
> > What kind of sql do I use above? I dont want to run a query on every
> record
>
> > returned from users_online
>
> > as that would be really "expensive".
>
>
>
> You're right, this is OT, but I'll answer anyways.
>
>
>



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