> For the complete documentation index, see [llms.txt](https://docs.glesys.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.glesys.com/products/database/details/postgresql.md).

# PostgreSQL

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PostgreSQL is an open-source, object-relational database designed for extensibility, data integrity, and performance. Its support for concurrency ensures full ACID compliance, and it allows dynamic loading and catalog-driven operations, enabling users to customize data types, functions, and more.

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Availability</strong></td><td><a href="/pages/Tcic2A1q5DaORLNs8WJk">/pages/Tcic2A1q5DaORLNs8WJk</a></td></tr><tr><td><strong>Service description</strong></td><td><a href="/pages/8r0voAcOEIbih4BUcU28">/pages/8r0voAcOEIbih4BUcU28</a></td></tr><tr><td><strong>Supported PostgreSQL extensions</strong></td><td><a href="/pages/fHh61AQQZstXCBQCVh7I">/pages/fHh61AQQZstXCBQCVh7I</a></td></tr></tbody></table>