ORM
Object-Relational Mapping
- Definition
- Defines how an in-memory object is stored in a database row and retrieved from that row
When should you use it?
When business logic data is represented in objects which need to be stored in the database
Problems
- Object/Relational mapping is hard; it may take quite an effort to get it right
Links
- Catalog of Patterns of Enterprise Application Architecture contains many ORM patterns