Hello - I've got a simple MySQL/PHP database set up with 3 tables plus a
"relationship" table (using phpMyAdmin.)  The end result is for students to
be able to dynamically find out what books are required for their classes by
selecting; term ---> course ---> instructor  ---> (results)

The tables look like this:

BOOKS
  bookID (primary auto increm)
  skuID (unique)
  text_title
  text_author
  price
  status

CLASSES
  classID (primary auto increm)
  course_number
  course_name
  term
  bookID (foreign key from BOOKS)

INSTRUCTORS
  instrID (primary auto increm)
  name

CLASS_BOOKS (relationship table)
  ID (primary auto increm)
  bookID (foreign key from BOOKS)
  classID (foreign key from CLASSES)
  instrID (foreign key from INSTRUCTORS)

The standard rules apply:
  Multiple books for instructors
  Multiple instructors for classes
  Multiple books for classes
  etc.

I've successfully set up and linked separate admin pages in Dreamweaver to
submit data into the 3 primary tables and they work just fine.  (Yes, I'm a
newbie letting Dreamweaver do most of my coding.)

My question is how do i get the primary keys from each of those 3 tables to
feed their info into the relationship table "class_books"?  (I saw something
in the phpMyAdmin documentation about configuring it to "link" tables(?)) Or
do I even need to?  Is it accomplished though coding in the mysql table or
through PHP code?  Does someone know a tutorial example of this already
being done somewhere?  I'm so confused.

Sorry for the long post but I'm trying to be as clear as possible. Of
course, I'm on a deadline and need to get this worked out pretty quickly.

Thanks for your help.


-- 
P.S. Sorry if this is a repeat, Iım having mail issues.

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