PostgreSQL

PostgreSQL is an advanced, open-source relational database management system valued for its performance, security, and support for complex SQL queries and stored procedures. This system supports a wide range of data types, replication, ACID transactions, and advanced indexing mechanisms. PostgreSQL is used in projects that require high reliability and scalability, such as financial systems, analytics, and e-commerce platforms. Its flexibility and extensibility make it a popular choice for companies with diverse business needs.