# PostgreSQL

PostgreSQL is an open source object-relational database system that uses and extends the SQL language. It has been in active development for nearly 40 years, runs on all major operating systems, and has been ACID-compliant since 2001. Add-ons such as the PostGIS geospatial extender extend its functionality.

Page: https://slateindex.ai/brand/postgresql · data of 2026-11-02

## Facts

- Headquarters: United States
- Employees: 51–200
- Company type: Nonprofit

## Products

- PostgreSQL: Open source object-relational database system that uses and extends SQL, with features for data integrity, replication, security and extensibility.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| Vector Databases | 3 of 30 | 49.0 | 59 |
| Data Warehouse | 10 of 39 | 10.2 | 15 |
| AI Agents | 38 of 80 | 2.3 | 5 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 44.3 | 74.1% |
| google_ai_mode | 42.8 | 63.0% |
| perplexity | 59.8 | 81.5% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “PostgreSQL AI visibility profile”, https://slateindex.ai/brand/postgresql, data of 2026-11-02. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).