PostgreSQL is an object-relational database management system (ORDMBS), which means that it has relational capabilities and an object-oriented design. Using object-oriented features of PostgreSQL, programmers can: Communicate with the database servers using objects in their code. Due to its excellent efficiency and scalability, PostgreSQL is a perfect solution for companies, which need a flexible database management system, which is able to evolve in response to the needs of the company and withstand heavy loads.