entity-relationship

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How to add a Map<String, Person> in an entity class?

I want to add a mapping as Map<String, Person> personMap; inside an entity class, where Person is the entity. The Map is to identify the exact Person corresponding to the String (let it be a[详细]

2023-04-06 17:34 分类：问答
DDD: keep a link to an entity inside an aggregate root, for reporting only

I\'m refactoring a project using DDD, but am concerned about not making too many Entities their own Aggregate Root.[详细]

2023-04-05 14:22 分类：问答
How do we use Routine Group in MySQL workbench?

Since I can\'t find a way to add a routine to a diagram, I do开发者_如何学Gon\'t know how to use Routine Group tool.In the \"Physical Schemdata\" create/open a \"routine group\" and drag & drop yo[详细]

2023-04-05 11:08 分类：问答
How to don't create column in hibernate include some property in entity class

I want to property in entity seam. But I dont want to create column in database. for example my entity is ;[详细]

2023-04-05 02:37 分类：问答
Entities Architecture

Using VS2010, .NET4.0, MVC3, EF4.1 Code-First I have this POCO entities: public class XBLContent { [Key] [StringLength(36, ErrorMessage=\"Must have 36 characters\")][详细]

2023-04-04 07:13 分类：问答
C# EntityFramework saving 1-1 relation

I have a one-to-one relationship between the Employee and EmployeePermission entities with navigation properties PermissionTo and Employee respectively. I can load the navigation properties fine, but[详细]

2023-04-03 14:45 分类：问答
EF 4 POCO: Saving a new entity with multiple related entities

Let\'s say I have the following POCO entities: public class CellPhone { public Manufacturer PhoneManufacturer;[详细]

2023-04-02 11:29 分类：问答
Which tool for generating UML Entity-Relationship Diagrams using text? [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-04-02 01:47 分类：问答
How do I include a foreign key on a one-to-many relationship in an Entity Data Source?

I am working through this tutorial: http://www.asp.net/entity-framework/tutorials/the-entity-framework-and-aspnet-%E2%80%93-getting-started-part-3[详细]

2023-03-31 07:57 分类：问答
yii framework inner join

I have a class Articles with a 1:N relation with table Dates. I need to show a list of articles for each date. I use a findBySql with a Inner join.[详细]

2023-03-31 05:03 分类：问答