JPA - Object-Relational Mapping (ORM)
1 - About
JPA standardizes the important task of object-relational mapping by using:
to map objects into one or more tables of a database.
The JPA specification explicitly defines the object-relational mapping, rather than relying on vendor-specific mapping implementations.
The mapping metadata are an union of:
- all mapping files
2 - Articles Related
3 - Type
- top-down: Generating database tables from entity beans