Object-relational mapping - Wikipedia
https://en.wikipedia.org/wiki/Object%E2%80%93relational_mapping
Object-relational mapping (ORM, O/RM, and O/R mapping tool) in computer science is a programming technique for converting data between incompatible type systems using object-oriented...
database - What is an ORM, how does it work, and... - Stack Overflow
https://stackoverflow.com/questions/1279613/what-is-an-orm-how-does-it-work-and-how-should-i-use-one
Object-Relational Mapping (ORM) is a technique that lets you query and manipulate data from a database using an object-oriented paradigm. When talking about ORM, most people are referring to a...
GitHub - doctrine/orm: Doctrine Object Relational Mapper (ORM)
https://github.com/doctrine/orm
Doctrine 2 is an object-relational mapper (ORM) for PHP 7.1+ that provides transparent persistence for PHP objects. It sits on top of a powerful database abstraction layer (DBAL). One of its key...
What is Object/Relational Mapping? - Hibernate ORM
https://hibernate.org/orm/what-is-an-orm/
If you are already familiar with Java, with Object/Relational Mapping, and with the Object/Relational mismatch, you may want to skip right to the Hibernate ORM benefits discussion.
Introduction to Object-Relational Mapping - YouTube
https://www.youtube.com/watch?v=dHQ-I7kr_SY
What are ORM Frameworks? Курс Java для начинающих. Занятие №9. ORM JPA Hibernate.