PostgreSQL, also known as Postgres, is a powerful open-source object-relational database management system (ORDBMS) that is known for its robustness, reliability, and data integrity. Like MySQL, it uses Structured Query Language (SQL) to communicate with the database, but also includes support for various advanced features, such as transaction management, table inheritance, and concurrency control. PostgreSQL is designed to handle high volume, complex workloads, making it a popular choice for businesses that require a scalable and secure database solution. It can be installed on various operating systems, including Windows, Linux, and Mac OS X, and supports multiple programming languages such as Python, Java, and C++. Additionally, PostgreSQL has a thriving community of developers, offering frequent updates, patches, and extensions to improve its functionality. Due to its high degree of data integrity, advanced features, and strong community support, PostgreSQL is an ideal choice for large-scale applications and businesses with complex data needs.