About PostgreSQL
- Open-Source: PostgreSQL is a free and open-source software. Its source code is available under the PostgreSQL license, a liberal open-source license.
- Highly Customizable: PostgreSQL is highly customizable with a host of built-in features and extensions.
- ACID Compliant: PostgreSQL is fully ACID compliant (Atomicity, Consistency, Isolation, Durability), ensuring data integrity and consistency even in the event of system failures.
- Extensive Indexing: PostgreSQL offers a variety of indexing techniques, including B-tree, hash, and GIN indexes, to optimize query performance.
- Robust Security Features: PostgreSQL has robust security features that include a strong access-control system, views, granular permissions, and more to protect your data.