# PostgreSQL

> A powerful, open-source relational database that can be extended with modules like pgvector to support efficient storage and similarity search of vector embeddings, effectively functioning as a vector database.

- **URL:** https://www.postgresql.org/
- **Category:** relational-databases
- **Tags:** Open Source, relational-database, Pgvector
- **Updated:** 2025-07-01 00:28
- **Canonical page:** https://vectordb.ever.works/ar/items/postgresql

## Details

### PostgreSQL

PostgreSQL is a powerful, open-source object-relational database system with over 35 years of active development. It has earned a strong reputation for reliability, feature robustness, and performance, and is recognized as one of the world's most advanced open-source databases.

#### Features

*   **Open Source:** Freely available and community-driven.
*   **Object-Relational Database:** Combines relational database management system (RDBMS) features with object-oriented concepts.
*   **Reliability & Robustness:** Known for its stability and comprehensive feature set.
*   **High Performance:** Engineered for efficient data handling and query processing.
*   **Extensibility:** Can be extended with various modules, such as pgvector, to support advanced functionalities like efficient storage and similarity search of vector embeddings, effectively enabling it to function as a vector database.

#### Pricing

Pricing information is not provided in the available content, as PostgreSQL is an open-source project.

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