Another type of non-relational database is the "object database ... Sometimes, indexes are created "on the fly" when the data are requested. THIS DEFINITION IS FOR PERSONAL USE ONLY.

A database that is managed ... programming language and enable the data in the objects to be persistently stored without requiring conversion to a relational database (see O-R mapping).

Object-oriented systems are designed much differently than relational systems, and pulling data from a relational database and bringing that data into an object oriented system is not a straight ...