opposite of entity

Microsoft's entity Framework is being watched and used by more and more people, and the entity Framework7.0 version is about to be released. Although it is open source, unfortunately, there is no book about it, let alone a good book, probably

Original:beginner Tutorial 1:scenenode, Entity, and Scenemanager structure PrerequisitesThis tutorial assumes that you have the basics of C + + programming and can configure and compile ogre applications (if you have problems configuring your

Transfer http://www.cnblogs.com/liuxiuhao/archive/2012/04/18/2455107.html 1. Conceptual Data Model OverviewData models are the abstraction of data features in the real world. The data model must meet the following requirements:1) Ability to

1. What is an entity? In the target business field where we construct a system, some objects are mainly managed or processed by the outside world. These objects are mainly processed or processed, this type of object is called an object, and this

First, let's talk about the background. In the project that was about to be launched recently, we met a customer's requirement: The table name is dynamic and determined based on some values in the database. For example   Requirement The

  Tip 35. How to Write oftypeonly () If you write the following LINQ to entities query: VaR Results = from C in CTX. Vehicles. oftype ()Select C; This will return. Cars include cars derived from the car type, such as the sportcar or SUV type. If

Evolutionary Game hierarchy-rebuilding your game entities with components Until recently, game programmers have used classes with deep structures to represent game entities. The current trend is gradually changing from a deep structure to simply

Code First Entity Framework 6 passive to active explicit it loading mode practical analysis (with source Code), entityloading There are three ways to use Entity Framework to load correlated entities: 1. lazy Loading ); 2. Greedy loading (eager

Reprint http://www.th7.cn/Program/net/201301/122153.shtmlHow Code first handles inheritance between classes. Entity Framework Code First has three methods for handling inheritance relationships between classes, and we will describe each of the three

Last time I talked about how to create an ORM using EF's "database first" method. Today I will talk about "code first" method to create an Orm; Literally, the first priority of a database is to create a database. The first priority of a code is to