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MRT Server Behaviour with eCommerce db

Thread began 4/20/2010 4:27 pm by troyd | Last modified 4/27/2010 2:42 pm by troyd | 1091 views | 4 replies


I thought I had things figured out, but then it all fell apart on me when I went to add a dynamic menu. No fault to any of the extensions. Just my misunderstanding of what I should have created in the beginning.

I will simplify my needs here and then add in details if something is missing. I know that part of this could be posted in the CSS Menu Writer forum, but I wanted to update this post as well. And it includes issues of tables, relational tables and JOINS.

Here are my tables as they relate to my current attempts.

#1 "tblProducts" table with ProductID, ProductName, Description, Price, Image, ProductCategoryID columns.

#2 "tblProductCategories" table with ProductCategoryID, ProductCategoryName columns.

#3 "tblSubCategories" table with SubCategoryID, SubCategoryName columns

#4 "rtblSub_Products" relational table with SubProdTableID, Parent_ProductID, Parent_SubCategoryID columns

These are my needs for these 4 tables.

(PAGE 1)-Public Products "Results" page with Dynamic Menu.

This menu will show the main categories and then the sub categories under each. With many of them repeating in use. And I will be using CSS Menu Writer for this so that the menu will be updated dynamically if the client adds a new sub category.
The links for the Categories will be "#" but the links for the Sub Categories will be something like

which will then filter the results by using a search behavior, I assume.

For example:

  • DOG

    • FOOD
    • TOYS
    • BOWLS

  • CAT

    • FOOD
    • TOYS
    • BOWLS

  • BIRD

    • FOOD
    • TOYS
    • BOWLS


    • FOOD
    • TOYS
    • BOWLS

(PAGES 2-5)-All the Admin pages for Inserting, Deleting, Updating, Results w/ Search

The search on the Admin page will be Dropdowns where you can search for all "Food" or just "Food" for "Cats". OR all products for "Cats".

I have created JOINs that work for the results but then they don't work for the menus. Should I create a 5th table that relates the Categories with the Sub Categories? Or should I just have one table that includes both and give the Categories a Parent_ID of "0" as I have seen mentioned before?
I was thinking that because I will have Sub Categories repeated under different Categories, that this method won't work.

Relational Tables have to be the hardest thing I have ever tried to learn. I have read books, studied the example databases and drawn lots of diagrams. I know it's going to all pay off, but it's still confusing. For me, video tutorials work the best. Are their any good ones out there? I'll pay for them.


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