canonical data model vs enterprise data model

Description: The content of this article is reproduced to: https://my.oschina.net/happyBKs/blog/420310If there is infringement of the place, please contact me, I will be immediately deleted. Previous articles covered various annotations for processing requests, as well as content such as Pojo object reception and servlet native API parameter type support, which mainly addressed how to receive and map request data. Next we'll focus on how to process an

A Brief introduction　　For those who are accustomed to the relational database, learning Cassandra has some difficulties. Cassandra has a lot of new terminology, and the terms in relational db are similar but inherently different. Here we mainly learn the Cassandra data model from two angles: bottom-up and top-down.Two-bottom-up understanding of the data

For more information about PowerDesigner, see: PowerDesigner 15 Overview This article mainly describes the CDM model and its usage. 1. Overview of concept data model (CDM)Conceptual Data Model: Conceptual Data

Document directory Add an ADO. Net Object Data Model item Template Generate an EDM File For more information, see This topic describes how to use the Entity Data Model Wizard to generate a ing file that defines the adventureworks sales Entity Data

ASP. NET MVC4.0 Official tutorial Getting Started Guide V-Controller Access model dataIn this section, you will create a new Moviescontroller class and write code that implements the ability to get the movie data and use the view template to present the movie data in the browser.Click Build application to compile the application before you proceed to the next ste

ArticleDirectory Where does the context and class come from? Write your first LINQ to entities Query Programming Entity FrameworkVersion 2Translation Index You can use various methods to query the object data model. You choose some methods because of your personal preferences, while others because you can use special benefits. You may have heard of LINQ to entities and Entity SQL. You c

line of code in the view. In the controller and view generated before this tutorial,MovieThe validation rules specified on the attributes of the model class can be automatically applied. You may have noticedTitleAndGenreAttribute. If you enter text in a field or delete text, the required verification properties are not executed until you submit the form (clickCreateButton. For fields that are initially empty, such as fields in the created view) and f

parameter, which encapsulates the detailed content of the Operation. In addition, each CRUD method can specify a callback function to process the data.3. Ext. data. proxy. MemoryExt. data. proxyMemory is a simple data proxy that uses memory variables to access data. Therefo

Entity Framework learning notes (2) Data Model use process, entityframework Use Entity Framework data Model creation: Development Environment: VS2012 Database: SQL Server 2008 Entity Framework Version: 6.12 The following figure shows the new project architecture: (of course, this is my project architecture, just for re

Http://www.cnblogs.com/sansi/archive/2012/10/18/2729337.htmlProgramming Entity Framework Second Edition translation indexYou can query the Entity Data model using various methods. You choose some methods because of your personal preferences, while others are because you can take advantage of special benefits. You've probably heard LINQ to Entities and entity SQL. You can use special methods to query, such a

Cassandra data model (based on CQL to solve the problem of limit on the number of fat columns and flexibility) (Version 1.1 and later) describes Cassandra's programming model and data structure. Since the Cassandra version has been updated several times, Chinese documents on the Internet have become outdated, and repre

How to design a MongoDB Data Model Effective data models serve applications. The key issue in the design architecture is whether the document model is applicable to embedded models or references ). Embedded Data Model (Embedded

In this section, you will create a new Moviescontroller class and write code in this controller class to get the movie data and use the view template to display the data in the browser. Build the application before you start the next step (make sure the application compiles without problems) Right-click the Controller folder and create a new Moviescontroller controller. When the build succeeds, the follow

Sometimes we get the data from the client. Not necessarily the first thing we want, we need to do some processing. Here we take the example of a model attribute that needs to be handled.Here are 5 ways to solve the problem.Model Public class mymodel{ publicstring Encrypt getset;} Public string Get Set ; }}Controller: Public class Homecontroller:controller { publicvoid Test (MyModel mym

Tags: databaseI've heard of it before, in the project. Powerdesinger , but has never been used, this time through the foundation of the elective module finally has the opportunity to pass Powerdesinger of the CDM model to create a database. Powerdesinger There are several data models in the system, namely: M----Model, Conceptual

access data. Therefore, data is lost every time a page is refreshed.1. (function (){2. Ext. onReady (function (){3. Ext. regModel ('user ',{4. fields :[5. {name: 'name', type: 'string '},6. {name: 'age', type: 'int '}7.]8 .});9.10. var data = [11. {'name': 'elvin. Cracker ', 'age': 24}12.];13.14. var proxy = Ext. create ('ext.