What is psql and how is it used?

Description. psql is a character-based front-end to Postgres . It enables you to type in queries interactively, issue them to Postgres, and see the query results. psql is a Postgres client application. Hence, a postmaster process must be running on the database server host before psql is executed.

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 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.