troubleshooting Question

Data modelling issue

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CEHJFlag for United Kingdom of Great Britain and Northern Ireland asked on
DatabasesMySQL Server
5 Comments2 Solutions380 ViewsLast Modified:
I'm trying to get the optimal model for the following data. Firstly, there's an Orders table. The thing is, for each order, which is single and self-contained (so there's no need for Items/OrderItems) there are different kinds of accompanying information, which i'd like to be as extensible as possible. At the moment, there's Vehicle Info for vehicle-related orders and Field Stand info for stalls.

I was contemplating an Extra_Info (foreign key into an info table) column in Orders and possibly an Order_Type column, but the notion that the value in Order_Type alone determines to which table Extra_Info is a foreign key rings alarm bells with me that the data are modeled wrongly or sub-optimally. What is my best arrangement?
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