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, …

Sep 25, 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 …

Sep 25, 2025 · Stored functions and procedures Procedural Languages: PL/pgSQL, Perl, Python, and Tcl. There are other languages available through extensions, e.g. Java, JavaScript (V8), …

Sep 25, 2025 · 41. PL/pgSQL — SQL Procedural Language 42. PL/Tcl — Tcl Procedural Language 43. PL/Perl — Perl Procedural Language 44. PL/Python — Python Procedural …

Sep 25, 2025 · PL/pgSQL — SQL Procedural Language Table of Contents 41.1. Overview 41.1.1. Advantages of Using PL/pgSQL 41.1.2. Supported Argument and Result Data Types 41.2. …

Sep 25, 2025 · Looking for documentation for an older, unsupported, version? Check the archive of older manuals.

Sep 25, 2025 · With PL/pgSQL you can group a block of computation and a series of queries inside the database server, thus having the power of a procedural language and the ease of …

Sep 25, 2025 · Part I. Tutorial Welcome to the PostgreSQL Tutorial. The tutorial is intended to give an introduction to PostgreSQL, relational database concepts, and …

Sep 25, 2025 · Description psql is a terminal-based front-end to PostgreSQL. It enables you to type in queries interactively, issue them to PostgreSQL, and see the query results. …

Sep 25, 2025 · Single-User Mode To start a single-user mode server, use a command like postgres --single -D /usr/local/pgsql/data other-options my_database Provide the correct path …