# PostgreSQL PostgreSQL is an advanced, open-source RDBMS known for robustness, extensibility, and standards compliance. Supports complex queries, custom data types, full-text search, and ACID properties. Highly extensible with strong concurrency support, suitable for web apps to data warehousing. Visit the following resources to learn more: - [@roadmap@Visit Dedicated PostgreSQL DBA Roadmap](https://roadmap.sh/postgresql-dba) - [@course@PostgreSQL Full Course for Beginners – freeCodeCamp](https://www.youtube.com/watch?v=qw--VYLpxG4) - [@official@Official Website](https://www.postgresql.org/) - [@article@Learn PostgreSQL - Full Tutorial for Beginners](https://www.postgresqltutorial.com/)