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For example, consider an address book entry that represents a single person along with zero or more phone numbers and zero or more addresses. This could be modeled in an object-oriented implementation by a "Person object " with an attribute/field to hold each data item that the entry comprises: the person's name, a list of phone numbers, and a ...
This technology forms a part of .NET Framework 3.0 (having been part of the framework since version 1.0) ADO.NET is conceptually divided into consumers and data providers. [ 2 ] The consumers are the applications that need access to the data, and the providers are the software components that implement the interface and thereby provide the data ...
Entity Framework (EF) is an open source [2] object–relational mapping (ORM) framework for ADO.NET. It was originally shipped as an integral part of .NET Framework, however starting with Entity Framework version 6.0 it has been delivered separately from the .NET Framework. Entity Framework 6.4 was the latest release of the classic framework.
CodeIgniter, framework that includes an ActiveRecord implementation; Yii, ORM and framework, released under the BSD license. Based on the ActiveRecord pattern; FuelPHP, ORM and framework for PHP, released under the MIT license. Based on the ActiveRecord pattern. Laminas, framework that includes a table data gateway and row data gateway ...
"The disadvantage of this approach is that if this schema is changed the application is not shielded from the change." This is not the disadvantage of tying app code to db schema, this is a myth. DB schemas should NOT change in ways that break apps. And if/when they do (such as during development), it's probably because the app is required
An entity–attribute–value model (EAV) is a data model optimized for the space-efficient storage of sparse—or ad-hoc—property or data values, intended for situations where runtime usage patterns are arbitrary, subject to user variation, or otherwise unforeseeable using a fixed design. The use-case targets applications which offer a large ...
Language Integrated Query (LINQ, pronounced "link") is a Microsoft.NET Framework component that adds native data querying capabilities to .NET languages, originally released as a major part of .NET Framework 3.5 in 2007.
T4 is used within Microsoft in ASP.NET MVC for the creation of the views and controllers, ADO.NET Entity Framework for entity generation, and ASP.NET Dynamic Data. [3] It is also used outside of Microsoft in projects such as SubSonic. [4] T4 templating is supported in Visual Studio, MonoDevelop and JetBrains Rider. [5]