great vid: https://www.youtube.com/watch?v=IdsBwplQAMw

Decorators

what is nestjs/graphql PartialType?
returns type(class) with all the properties of the input type set to optional.
common use case is having 2 separate DTOs of the same entity. one for create and one for update. where in the create all props are required and on the update optional.

ORM integrations

• nestJs is integrated with TypeORM by default?
  has tight integration with TypeORM
  has sequelize and mongoose libs as well