PostgreSQL

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Introduction

PostgreSQL is a free and open-source relational database management system (RDBMS). It was created by the PostgreSQL Global Development Group and is one of the world’s most used RDBMS. Large and small businesses, as well as non-profit organizations and individuals, use PostgreSQL.

PostgreSQL is a sophisticated and adaptable database management system that can be used for a wide range of purposes. It has a wide range of features and scalability, making it an excellent choice for large and small businesses.

Main functions

Relational Database Management System: PostgreSQL is a relational database management system, capable of storing and managing data as tables and linking them through relationships.
SQL integration: PostgreSQL follows SQL, allowing you to use rich query statements to interact with the database.
Supports multiple data types: PostgreSQL provides many standard data types and allows you to define custom data types.
Scalability: PostgreSQL supports data scalability through partitioning and copying data, which increases system performance and reliability.
Extensions: In addition to the basic functions of a database management system, PostgreSQL offers utilities and extensions, including support for JSON, XML, and programming languages such as PL/pgSQL.