ORM Basics
1. What ORM?
Object Relactional Mapping ORM is Abbreviation, i.e., object-relational mapping, the mapping database is a relational database structure of an object, you can by object-oriented programming ideas.
II. There are those commonly used ORM framework?
Dapper、Entity Framework（EF）
III. What is the difference between the popular ORM framework?
Dapper is a lightweight framework
EF is a heavyweight framework