If your application mostly reads from the DB then don't use a ORM. I think ORMs shine when you need to save/update a domain model to a relational DB. In the CQR

If your application mostly reads from the DB then don't use a ORM. I think ORMs shine when you need to save/update a domain model to a relational DB. In the CQRS world, a fairly typical choice when using a relational DB is to use a ORM for the write side and raw SQL for the read side.