PostgreSQL, often simply Postgres, is an object-relational database management system (ORDBMS) available for many platforms including Linux, FreeBSD, Solaris, Microsoft Windows and Mac OS X. It is released under the PostgreSQL License, which is an MIT-style license, and is thus free and open source software.
Prebuilt AWS image comes with all you need, preconfigured: Enterprise-class PostgreSQL database vendor EnterpriseDB has launched a free turnkey development environment designed to make it easier for coders to build web applications using PostgreSQL's new NoSQL capabilities.
I recently attempted to install PostgreSQL on a Windows XP SP3 machine using the EnterpriseDB installer. The installation was not successful, probably because I did not remember to turn off my antivirus (MS Security Essentials).
CitusDB, a database analytics startup that is hoping to take on big boys like Oracle, today announced the release of CSTORE, a columnar store extension for PostgreSQL. The open-source tool, which the company says is the first for PostgreSQL, is available for a free download starting today. Read More
I'm running a database application on linux (ubuntu), using PostgreSQL. The application is very memory-intensive, so I gave the database server 64 GB of RAM (and 8 CPU cores). Postgres does not seem to automatically detect and use the available RAM, and the application's queries run very slowly.