PostgreSQL is a powerful and advanced open-source enterprise-class database known to support JSON (non-relational) and SQL (relational) querying. The database is very stable, it has been around for more than twenty years, and a good reason it has a high level of correctness, integrity, and resilience. The database is used by many mobiles, analytical, web, and geospatial applications as primary storage for their data. The latest invention in this database is PostgreSQL 12.