NHibernate Features

Nearly all of the features listed here are described more fully in the document:

NHibernate - Relational Persistence for Idiomatic .NET

Numerous databases supported
- SQL Server (2000, 2005, 2008, Express, CE)
- Oracle (9i, 10g, 11g)
- DB2, Firebird, Informix, MySQL, PostgreSQL, SQLite, Sybase
Flexible mapping strategies
Based on Hibernate (Java)
- Started as a port of Hibernate
- Includes nearly all features of current Hibernate
- Extends Hibernate by adding LINQ capabilities
Continuous integration development environment
Flexible query APIs
Multiple session configuration models
Logging support
Support for audit integration
Works with stored procedures, triggers
Significant body of add ons (Open Source and Commercial)
Multiple cache choices
Outer-join fetching, when supported by database
Batch SQL, when supported by database
Flexible connection management
Query language substitutions
Internal naming strategy definition
Support for dynamic model
Multiple proxy implementation choices
Lazy fetching for associations
Dynamic insert and update generation
Custom persistence mechanisms
Multiple Id generators
Support for Composite Keys
Multiple property access strategies
Flexible association mapping
Component mapping
Ability to map an association from multiple collection types
Custom value types
Supports bidirectional associations
Inheritance mapping
Metadata API
Stateless session capability
Direct DML capability
DDL schema generation from mapping files