canonical data model vs enterprise data model

(add)? New Item.2. Select the ADO data model under the data template under the Visual C # Entry (ADO).3. Select generate from database to create a model from an existing one, click Next.4, you can choose an existing database connection, you can also choose to create a new database connection, if you choose New, you wi

; success ('login successful! ', $ ReturnUrl); die ;}$ this-> error ($ model-> getError ());} Code in the model: Public function login () {var_dump ($ this); die; // Print $ this here and the attributes username and password are not found, but why can we get the value of $ username below ?? $ Username = $ this-> username; $ password = $ this-> password; $ model =

After PDM is completed, it will eventually be converted into a database entity.1. Check whether the DBMS set by powerdesigner is correct, that is, whether it is the database type we want to generate. Here I use sqlserver2000:Powerdesigner-> database-> change the current DBMS and select your database type. 2. Configure the connection between powerdesigner and the data sourcePowerdesigner-> database-> Configure connection-> User DSN (or system DSN)-> se

Preface A few weeks ago, when I first heard about the first two things about Hadoop and MapReduce, I was slightly excited to think they were mysterious, and the mysteries often brought interest to me, and after reading about their articles or papers, I felt that Hadoop was a fun and challenging technology. , and it also involved a topic I was more interested in: massive data processing. As a result, in the recent idle time, they are looking at "Had

objects in the database film table and sends the result to the index view. Strong model and @ model keywordsIn the previous tutorial, I learned how controllers transmit data or objects to view templates through viewbag objects. Viewbag is a dynamic object that provides a convenient late binding method to transmit information to the view. ASP. net mvc also provid

Label:"NoSQL essence" Reading notes, reproduced please indicate the source "Jiq Technical Blog" Anosql data model The data model of a relational database is "relational" and "tuple", a relationship corresponds to a table, and a tuple corresponds to a row, where the tuple consists of a series of values and cannot be ne

Effective data models serve applications. The key issue in the design architecture is whether the document model is applicable to embedded models or references ). Effective data models serve applications. The key issue in the design architecture is whether the document model is applicable to embedded models or referenc

Target:This paper mainly introduces the basic concept of CDM in PowerDesigner conceptual data model.I. Overview of the conceptual data modelThe data model is the abstraction of data features in the real world. The data

Why is redirect losing data?When a handler method completes, any model data specified in the method was copied into the request as request attributes, and the request was for warded to the view for rendering. Because it ' s the same request that's handled by boththe Controller method and the view, the request attributes survive the forward.but as illustrated in F

Entity Framework tutorial -- create an object data model, entityframework Create an object data model: This article will show you how to create an EDM SchoolDB database and understand the infrastructure module. The Entity Data Model