Persistor.NET is an object-oriented

Object-oriented analysis and design

Object-oriented analysis and design is a software engineering approach that models a system as a group of interacting objects. Each object represents some entity of interest in the system being modeled, and is characterised by its class, its state , and its behavior...

 persistence framework

Persistence framework

A persistence framework is middleware that assists and automates the storage of program data into databases, especially relational databases.It acts as a layer of abstraction between the application and the database, typically bridging any conceptual differences between the two.Many persistence...

 which provides persistence

Persistence (computer science)

Persistence in computer science refers to the characteristic of state that outlives the process that created it. Without this capability, state would only exist in RAM, and would be lost when this RAM loses power, such as a computer shutdown....

 for pure object-oriented development. Persistor .NET saves, retrieves, and deletes pure .NET Framework object graphs within a SQL Server 2005 or SQL Server Express

SQL Server Express

Microsoft SQL Server Express, a freely downloadable and distributable version of Microsoft's SQL Server relational database management system, comprises a database specifically targeted for embedded and smaller-scale applications.- Capabilities :...

 database. The framework was developed by Hans-Peter Haberlandner and Wolfgang Portugaller in 2005.

In 2005, Persistor.NET won the "Best Visual Studio 2005 PowerToy utilizing SQL Server Express" award at the Connected Systems Developer Competition organized by Microsoft

Microsoft

Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...

 and CMP Media.