PostgreSQL is a powerful, open-source relational database management system (RDBMS) known for its reliability, scalability, and extensibility. It supports advanced SQL features, ACID compliance, and a wide range of data types, making it ideal for complex applications.

Features of PostgreSQL:

Open-source and highly extensible with support for custom functions and data types.
Ensures data integrity with ACID compliance and multi-version concurrency control (MVCC).
Supports advanced indexing, full-text search, and JSON/XML data storage.
Compatible with various programming languages, including Python, Java, and C++.
Offers replication, high availability, and clustering for large-scale applications.

To check postgreSQL version:

$ /usr/local/pgsql/bin/postgres --version

Disclaimer: PostgreSQL is an open-source relational database management system developed by the PostgreSQL Global Development Group. It is distributed under the PostgreSQL License and is freely available for use and modification. This information is for educational purposes only and is not affiliated with, endorsed by, or sponsored by the PostgreSQL development team. PostgreSQL is provided "as is," without any warranty, express or implied. Users utilize this software at their own risk.

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PostgreSQL

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PostgreSQL

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PostgreSQL
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