database design question
- by Leonardo
Hi all,
I am building a database as a simple exercise, it could be hosted on any database server, so I am trying to keep things as much standard as possible. Basically what I would like to do is a 'code' table that get referenced by other entities. I explain:
xcode
id code
r role
p property
code
r admin
r staff
p title
....
then I would like to have some view like:
role (select * from code where xcode='r')
r admin
r staff
property (select * from code where xcode='p')
p title
then, suppose we have an entity
myentity
id - 1
role - admin (foreign key to role)
title - title (foreign key to property)
Obviously I cannot create foreign key to a view, but this is to tell the idea I have in mind. How can I reflect such behaviour using whenever possible, standard sql syntax, then as a second option, database additional features like trigger ecc... ?
Because if I tell that role and title in myentity are foreign key to 'code', instead of the views, nothing would stop me to insert a role in title field.
thanks
Leonardo
