Ques:- What is PostgreSQL? Postgresql Interview Questions 2021 - InterviewMocks : About PostgreSQL, PostgreSQL is a relational database management system that is highly extensible and has high compliance with technical standards. PostgreSQL handles a wide range of workloads from a machine to data warehouses or web services used by many users at a time. PostgreSQL automatically updates views and follows ACID ( Atomicity, Consistency, Isolation, Durability) properties... Explain the History of PostgreSQL PostgreSQL, originally called Postgres, was created at UCB by a computer science professor named Michael Stonebraker. Stonebraker started Postgres in 1986 as a follow-up project to its predecessor, Ingres, now owned by Computer Associates. 1977-1985 − A project called INGRES was developed. Proof-of-concept for relational databases Established the company, Ingres, in 1980 Bough...