データ アクセスの達人に聞く #01 - ADO.NET とは？
Entity Framework 6 (EF6) is a tried and tested object-relational mapper (O/RM) for .NET with many years of feature development and stabilization. As an O/RM, EF6 reduces the impedance mismatch between the relational and object-oriented worlds, enabling developers to write applications that interact with data stored in relational databases using strongly-typed .NET objects that represent the applic
EF v2 and Data Access Architecture Best Practices
Contents Application Development Styles Building a Forms-Centric Application Thoughts on Forms-Centric Applications Building a Model-Centric Application Thoughts on Model-Centric Application Development Code-Centric Application Development Thoughts on Code-Centric Development Final Thoughts on the Application Development Styles David Hill, in his preface to the latest patterns & practices Architec
Entity Framework を使用した n 層アプリケーションで回避すべきアンチパターン
この記事では、次の内容について説明します。 n 層について理解する オブジェクトを分散させてはならない カスタム サービスと RESTful サービスのどちらが適しているか さまざまな n 層アンチパターン 目次 n 層について理解する アンチパターンその 1: 密結合 アンチパターンその 2: 静的な要件を想定している アンチパターンその 3: 同時実行の不適切な処理 アンチパターンその 4: ステートフルなサービス アンチパターンその 5: 3 層を装う 2 層 アンチパターンその 6: シンプルさを軽視する Entity Framework チームの一員として、私はたびたび顧客に Entity Framework を使用するアプリケーションの構築に関する話をします。私が一番よく質問を受ける話題は、おそらく n 層アプリケーションの設計に関するものです。この記事では、皆さんがアプリケー
実践的なパターン: テストの容易性を高める設計
This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Data Points Designing an Entity Data Model John Papa Code download available at:DataPoints2008_02.exe(174 KB) Contents Understanding the EDM Building an EDM with the Wizard Stored Procedures in the Entity Model Windows on EDM Derived Entities Wrapping Up
実践的なパターン: テストの容易性を高める設計
Code download available at:EntityFramework2008_07.exe(6,602 KB) Contents Why Another Data Model? Why Describe the EDM with XML? Who Needs Another New Query Language? Implementing the EDM EntityClient Mapping Object Services Just Another ORM? The ADO.NET Entity Framework is almost here! First introduced as ADO.NET vNext in 2006, the framework is now ready for prime time with the upcoming release of
実践的なパターン: テストの容易性を高める設計
This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. span.sup { vertical-align:text-top; } Data Points The Entity Framework In Layered Architectures John Papa This column is based on a prerelease version of the ADO.NET EntityFramework. All information herein is subject to change. Code download available at
N-Tier Application Patterns
Contents Change Set DTOs Simple Entities Self-Tracking Entities Implementing N-Tier with the Entity Framework Concurrency Tokens Serialization Working with the ObjectStateManager Patterns Other Than Simple Entities in .NET 3.5 SP1 API Improvements in .NET 4 In my previous article, I described a foundation on which you can build successful n-tier applications, focusing mainly on anti-patterns to av
実践的なパターン: テストの容易性を高める設計
This browser is no longer supported. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. New information has been added to this article since publication. Refer to the Editor's Update below. Data Points ADO.NET Entity Framework Overview John Papa Code download available at: DataPoints2007_07.exe(1590 KB) Contents Entity Framework Components
実践的なパターン: テストの容易性を高める設計
Object Services + Entity SQL The next technique is using Object Services to execute queries with Entity SQL. This moves away from direct interaction with the EntityClient provider (although it still communicates with the provider under the covers). You would use ObjectContext and ObjectQuery<T> to issue queries against the EDM. This technique is good for issuing ad hoc queries, as in the first tec
Overview - ADO.NET
ADO.NET provides consistent access to data sources such as SQL Server and XML, and to data sources exposed through OLE DB and ODBC. Data-sharing consumer applications can use ADO.NET to connect to these data sources and retrieve, handle, and update the data that they contain. ADO.NET separates data access from data manipulation into discrete components that can be used separately or in tandem. ADO
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