Short description of Macrobject NObject O/R Mapping Framework 2008.7.10.: Macrobject NObject is an O/R Mapping (Object-Relation Mapping) framework to be used in Microsoft .NET platform. NObject O/R Mapping framework allows you to access database completely in the way object-oriented. NObject O/R Mapping framework includes OQL.NET, which is a strong-typed object query language (OQL) based on native .NET language such as C# and VB.NET etc., even you needn't to write a single line of SQL statement.