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The provided information introduces a PostgreSQL image for Ubuntu 18.04, offered by Cognosys. Here are the key points:

Image: Cognosys offers a image of PostgreSQL. This means that PostgreSQL is already set up and ready for use on an Ubuntu 18.04-based environment. Users can potentially save time and effort by using this solution.

Disclaimer: The disclaimer mentions that the trademarks of the products mentioned in the offering are owned by their respective companies. It clarifies that Cognosys does not provide commercial licenses for these products. Instead, many of the products included in the offering have free, demo, or open-source licenses.

PostgreSQL Features: PostgreSQL is described as supporting advanced data types and advanced performance optimization. It is highlighted that PostgreSQL offers features that are typically found in expensive commercial databases like Oracle and SQL Server. This suggests that PostgreSQL provides robust functionality and performance capabilities comparable to proprietary databases.

In summary, Cognosys provides a PostgreSQL image for Ubuntu 18.04, allowing users to quickly set up and use PostgreSQL on this operating system. Additionally, the disclaimer emphasizes the open-source nature of PostgreSQL and clarifies the licensing aspect of the included products. Finally, PostgreSQL’s advanced features and performance optimization are highlighted, positioning it as a powerful open-source alternative to commercial databases.