PostgreSQL: Up and Running HD PDF

PostgreSQL is a free, open-source relational database management system, known as the most successful database in the world. It has a long history dating back to 1985, started as a research project at the University of California, Berkeley. It not only supports many advanced features, but its performance can even exceed that of most databases in many application scenarios, including commercial databases. In fact, PostgreSQL has been considered one of the most popular databases in the world, one of the most admired databases by developers, and one of the databases with the strongest user demand.