PostgreSQL is a powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, …

Nov 13, 2025 · Downloads PostgreSQL Downloads PostgreSQL is available for download as ready-to-use packages or installers for various platforms, as well as a source code archive if …

Nov 13, 2025 · Looking for documentation for an older, unsupported, version? Check the archive of older manuals.

Nov 13, 2025 · About What is PostgreSQL? PostgreSQL is a powerful, open source object-relational database system that uses and extends the SQL language combined with many …

Nov 13, 2025 · Table of Contents Preface 1. What Is PostgreSQL? 2. A Brief History of PostgreSQL 3. Conventions 4. Further Information 5. Bug Reporting Guidelines I. Tutorial 1. …

Nov 13, 2025 · Windows installers Interactive installer by EDB Download the installer certified by EDB for all supported Postgres versions. Note! This installer is hosted by EDB and ...

Nov 13, 2025 · 1.  What Is PostgreSQL? # PostgreSQL is an object-relational database management system (ORDBMS) based on POSTGRES, Version 4.2, developed at …

Nov 13, 2025 · Part I. Tutorial Welcome to the PostgreSQL Tutorial. The tutorial is intended to give an introduction to PostgreSQL, relational database concepts, and …

Nov 13, 2025 · 9.2. Comparison Functions and Operators # The usual comparison operators are available, as shown in Table 9.1. Table 9.1. Comparison …

May 8, 2025 · The PostgreSQL Global Development Group has released an update to all supported versions of PostgreSQL, including 17.5, 16.9, 15.13, 14.18, …