PostgreSQL is an open source object-relational database management system (ORDBMS) designed to provide a robust, powerful platform for the development and deployment of database-backed applications. It is highly extensible and provides a wide variety of features, including user-defined data types, functions, and stored procedures. PostgreSQL is often used for web applications, data warehousing, and large-scale data analysis.

For example, PostgreSQL can be used to store and manage data for a web application. It can be used to store user information, such as names, passwords, and email addresses. It can also be used to store application data, such as product catalogs, order information, and inventory levels. PostgreSQL can also be used to analyze large datasets, such as customer purchase patterns and sales trends.

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