i created a class @Entity public class **Department** implements Serializable { @Id @GeneratedValue(strategy = GenerationType.AUTO)
I have 2 Entity objects that i mapped in Entityframework I have relationship between users and Messages
I am currently setting up a database which has a large number of many-to-many relations. Every relationship was modeled via a link table. Example:
I have a Core Data model representing a TV guide on iOS 4+, with 3 classes: Channel (BBC 1) Program (Top Gear)
My model looks like this public Class Address { public int Id {get;set;} /*Props here*/ } public Class Person
As database designing go I have never modeled the relationships of my tables by way of SQL Server diagrams, drawing how two 开发者_如何学编程or more tables are related using their primary and foreign
I\'m developing an application in Zend Framework to handle the rentals for a commercial property rental company.The company has multiple buildings which each have multiple floors, which each have mult
p开发者_开发问答ublic class User { public int Id {get;set;} public string Name {get;set} public ICollection<User> Followers {get;set;}
My Model looks like like this public class User { public int ID { get; set; } public string Name { get; set; }
Assume there are two models: User and Question. I can use @OneToMany to indicate that one user can have multiple questions. Now if I want to allow user to follow one or more questions, should I build