PostgreSQL is an object-relational database management system (ORDBMS) based on the INGRES (INteractive Graphics REtrieval System) package, which was developed at the University of California, Berkeley. The POSTGRES (Post Ingres) project started in 1985, and version 1 was released to a small number of external users in June of 1989. Now, with more than 20 years of development, PostgreSQL has become the most advanced open source database, available all over the world.
This chapter introduces the development of PostgreSQL and how PostgreSQL has become a popular Database as a Service (DBaaS) among the current clouds. We will present an overview of the numerous features of PostgreSQL in various ...
