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.

Navicat Data Modeler is a cross-platform visual database design software developed by PremiumSoft from Hong Kong in China. It comes with good usability, has practical functions such like: designs the database structure, performs a reverse or forward engineering process, imports models from the ODBC data source, generates complex SQL/DDL, and prints models. These can help user build high-quality conceptual, logical and physical data models easily and efficiently.

Navicat Premium is an award-winning universal database managing tool that is enough to meet professional database developers' all requirements. In particular, for newcomers to database servers, it is also quite easy to learn and use.