PostgreSQL is a high level relational database control system, that you can use on numerous platforms (UNIX, Linux, FreeBSD, OpenSolaris, Windows) and with many scripting languages (Perl, PHP, Python, Java, Ruby). Due to the fact that it's open-source, it can be easily modified to match the demands of any developer who uses it. PostgreSQL is also among the most dependable and stable database systems, with far better efficiency in managing complicated procedures when compared with similar systems. It's ideal for large-scale apps due to the fact that a single PostgreSQL database does not have a limit for the size, while an individual table can be up to 32 Gigabytes. It's not a surprise that lots of business, educational and governmental entities are already employing PostgreSQL - Skype, the University of California, Berkeley and the US Department of Labor being just a few examples.