Is PostgreSQL same as MySQL?

It is a highly stable database management system, backed by more than 20 years of community development which has contributed to its high levels of resilience, integrity, and correctness. PostgreSQL is used as the primary data store or data warehouse for many web, mobile, geospatial, and analytics applications .

psql — PostgreSQL interactive terminal .

psql is a terminal-based front-end to PostgreSQL . It enables you to type in queries interactively, issue them to PostgreSQL, and see the query results.