See O-R mapping and object database. There are three major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance and polymorphism.

Proponents of object-oriented techniques point to the flexibility and extensibility of object-oriented systems along with other benefits such as increased modularity, abstraction, and encapsulation.

This third edition of Python 3 Object-Oriented Programming fully explains classes, data encapsulation, and exceptions for developing well-designed software. Temporarily free to download!

Functional programming supports well-defined, defensible software giving reproducible results. Object-oriented programming is the mechanism par excellence for managing complexity while keeping things ...