# PostgreSQL Infrastructure Skills PostgreSQL is an advanced, enterprise-class open-source relational database system that offers excellent performance and reliability. As a database administrator (DBA) or a developer working with PostgreSQL, it is essential to have a strong understanding of the various infrastructure skills required to manage and maintain a PostgreSQL environment effectively. Having a solid grasp of these PostgreSQL infrastructure skills will significantly benefit you in your professional endeavors and empower you to manage PostgreSQL environments effectively, be it as a developer or a DBA.