PostgreSQL is a powerful, open-source relational database management system (RDBMS) known for its robustness, extensibility, and standards compliance. It is designed to handle a wide range of workloads, from single-machine applications to large-scale, distributed systems.

Features of PostgreSQL:

• Ensures reliable transactions and data integrity.
• Users can define their own data types, operators, and index types, allowing for customization to fit specific needs.
• Includes support for JSON, XML, and arrays, making it versatile for various applications.
• Offers a wide range of SQL features, including complex queries, joins, and sub-selects.

To check PostgreSQL version, run the following commands on your VM:

$ source /etc/profile.d/postgresql.sh

$ postgres --version

Disclaimer: postgresql is an open-source project distributed under applicable open-source licenses. It is not affiliated with, endorsed by, or sponsored by any company. postgresql is provided "as is," without any warranty, express or implied. Users utilize this software at their own risk. The developers and contributors to snap no responsibility for any damages, losses, or consequences resulting from the use of this software. Users are advised to carefully review and comply with licensing terms and any applicable regulations while using postgresql.