<ul><li>PostgreSQL, also known as Postgres, is an advanced open-source relational database system.</li><li>Key features of PostgreSQL include SQL compliance, ACID compliance, and extensibility.</li><li>It also offers robust support for JSON, concurrency and performance, full-text search, and replication.</li><li>PostgreSQL is widely used in web applications, geospatial applications, data warehousing, financial systems, and scientific research.</li></ul>

Exploring PostgreSQL: The Advanced Open-Source Relational Database

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