The Database Design
In Hour 16, I had to create some flat files to use for data storage. Those flat files will no longer be used; instead, I’ve created tables in a relational database that will house all the data associated with the online store. Before I can get into the changes I’ve made to the programs, I need to explain the database design, and provide you with the SQL queries I used to create those tables.
The two data files I used in Hour 16 were products.txt and cart.txt. The products.txt file contained a list of products sold by the online store. I’ve replaced it with a table named products. The cart.txt file, which was used to save session information for users with products in their shopping cart, has been replaced with a table named ...
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