Yup, that's how I've done it before:

tutors
-------------
id
tutorname

courses
-------------
id
coursename


xref_tutors_courses
--------------------------------
tutor_id
course_id


But I've been known to do things goofy before.  I'm curious to see how 
other people handle it.

-TG


----- Original Message -----
From: tedd <t...@sperling.com>
To: <php-general@lists.php.net>
Date: Wed, 4 Feb 2009 17:24:35 -0500
Subject: [PHP] Clarity needed

> Hi gang:
> 
> I need some fog removed.
> 
> I have a problem where I have an unlimited number of tutors teaching 
> an unlimited number of courses. When I call upon a tutor, I want to 
> see all the courses they teach.
> 
> In my old days, I would just set up a linked list of courses and 
> attach it to the tutor (another linked list). As a tutor adds 
> courses, I would just add the course to the end of the linked list. 
> If the tutor deletes a course, then I would remove it from the list 
> by changing a single pointer. If I needed a list of all the courses 
> the tutor taught, I would just run down the linked list pulling them 
> out as needed.
> 
> But now I have to think in terms of records in a database. I'll 
> eventually figure it out, but what are your suggestions/solutions?
> 
> I understand that I can have one record set up for each tutor, and 
> another record set up for each course, and then tie the two together 
> by another record like an assignment. That way I can have as many 
> assignments as I want tying courses to tutors.
> 
> It that the way you guys would do it?
> 
> Thanks,
> 
> tedd


-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to