http://www.tdkshop.com/how-do-i-group-items-in-a-shopping-cart-when-you-have-one-item-and-other-items-are-added-as-accessories/ Just another WordPress weblog Sun, 10 Jan 2010 02:09:55 +0000 http://wordpress.org/?v=2.9.1 hourly 1 http://www.tdkshop.com/how-do-i-group-items-in-a-shopping-cart-when-you-have-one-item-and-other-items-are-added-as-accessories/comment-page-1/#comment-3357 EdSF Sat, 04 Jul 2009 08:13:32 +0000 http://www.tdkshop.com/how-do-i-group-items-in-a-shopping-cart-when-you-have-one-item-and-other-items-are-added-as-accessories/#comment-3357 Look into a "master / detail" data relationship. This is common in databases - it's similar to a contact or personnel database. You have a bunch of employees, but they are all "grouped" into different departments. So Joe and Jane are employees. They are both in Engineering. So if you look up Engineering, you can only choose Joe and/or Jane. The shopping cart metaphor is simply one way to present the data view to you. You'd have to correctly "normalize" your database to accomplish this - re: knowing how to put/arrange data so that you have less repetition and maintain uniqueness among tables. Look into a “master / detail” data relationship.
This is common in databases – it’s similar to a contact or personnel database. You have a bunch of employees, but they are all “grouped” into different departments.
So Joe and Jane are employees. They are both in Engineering. So if you look up Engineering, you can only choose Joe and/or Jane.
The shopping cart metaphor is simply one way to present the data view to you.
You’d have to correctly “normalize” your database to accomplish this – re: knowing how to put/arrange data so that you have less repetition and maintain uniqueness among tables.

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