I’m a bit concerned about how to model this rather simple scenario the best way in UML and ERM. When designed it has to be implemented in C# (Entity Framework 4) and SQL Server 2008.
Somehow I can\'t figure out how to implement the following relations using Doctrine 2 syntax: I have Items and Shops. Each ite开发者_运维知识库m has different price and different
So I have a sql server 2008 database with 9 tables in them, they don\'t have any set relationships but is still used as if they have it, this however makes it so that I cant import the relationships w
I can\'t figure out how to solve the following problem. What i need it a relationship from one base class to another, so that every derived class has a relationship with the same table, called \'Item\
I am using Java EE 6. Just want to throw it out there first Here is the relationship. A customer can have multiple facility
I\'m trying to setup a m2m relation between \'Gabarits\'. One gabarit can have many Gabarits ( called Options )
I\'ve mapped two entities using JPA (specifically Hibernate). Those entities have a one-to-many relationship (I\'ve simplified for presentation):
Java EJB\'s EntityManag开发者_运维问答er does not update data from a Consumer. A Consumer logs into a shop, buys some stuff and wants to look at his shopping-history. Everything is displayed but his
I\'m a little confused, I\'m developing a program, the program consist in two parts, the server and the clients, there are groups, places, messages... stored in the server, and the clients has to conn
Would like to find low-cost relational mo开发者_StackOverflowdeling tools that will allow me to map a logical model in third normal form to a physical model based on EAV. Got any pointers?EAV fails to
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