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These languages require .NET Framework, Mono, or .NET, which provide a basis for software development, platform independence, language interoperability and extensive framework libraries. Standard Libraries (including the Base Class Library) are not included in this article.
The .NET Persistence API, also referred to as NPA, is a persistence and object–relational mapping (ORM) specification for the .NET framework. [1] NPA is based on the Java Persistence API (JPA), which is the standard persistence API in the Java world. NPA follows JPA by providing a complete persistence API and a rich set of ORM features. [2] [3]
Although this design pattern is applicable to most programming languages, most software with persistence needs, and most databases, it is traditionally associated with Java EE applications and with relational databases (accessed via the JDBC API because of its origin in Sun Microsystems' best practice guidelines [1] "Core J2EE Patterns".
Dapper is an object–relational mapping (ORM) product for the Microsoft .NET platform. It provides a framework for mapping an object-oriented domain model to a traditional relational database. [4]
db4o (database for objects) was an embeddable open-source object database for Java and .NET developers. It was developed, commercially licensed and supported by Actian.In October 2014, Actian declined to continue to actively pursue and promote the commercial db4o product offering for new customers.
C# (/ ˌ s iː ˈ ʃ ɑːr p / see SHARP) [b] is a general-purpose high-level programming language supporting multiple paradigms.C# encompasses static typing, [16]: 4 strong typing, lexically scoped, imperative, declarative, functional, generic, [16]: 22 object-oriented (class-based), and component-oriented programming disciplines.
These language extensions have initially been implemented in C# 3.0, [5]: 75 VB 9.0, F# [6] and Oxygene, with other languages like Nemerle having announced preliminary support. The language extensions include: [7] Query syntax: A language is free to choose a query syntax that it will recognize natively.
C# and VB.NET are very different languages in syntax and history. As the name suggests, the C# syntax is based on the core C programming language originally developed by Dennis Ritchie at Bell Labs (AT&T) in the 1970s. [1] Java and C++ are two other programming languages whose syntax is also based on the C syntax, [2] so