Feature

LINQ to SQL

LINQ to Entities

Language Extensions Support

Y

Y

Language Integrated Database Queries

Y

Y

Many-to-Many (3way Join/Payload relationship)

N

N

Many-to-Many (No payload)

N

Y

Stored Procedures

Y

N (to be added)

Entity Inheritance

N

Y

Single Entity From Multiple Tables

N

Y

Identity Management / CRUD features

Y

Y