On Wed, 2009-02-04 at 17:24 -0500, tedd wrote: > 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 > -- > ------- > http://sperling.com http://ancientstones.com http://earthstones.com > Probably a table of tutors, a table of courses and then a table of links between the two. That way you can use a single query joining the 3 tables together to pull out all the matches for a particular tutor or course. Ash www.ashleysheridan.co.uk -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
