PostgreSQL is an effective open-source database management system, that has been growing in global recognition lately as a result of its stability and dependability. It provides plenty of advanced functions and it may be used to save any type of info. PostgreSQL may be interfaced with many different programming languages, including PHP, Python, Perl, Java, C++, Ruby, and so on. Additionally, it may be used for scalable apps since a single field inside a PostgreSQL database could be up to 1 GB, a table - up to 32 GB, while the database in general doesn't have a limit for its total size. PostgreSQL also works swifter than other SQL control systems when complicated operations are executed. Lots of large companies and institutions have already switched to PostgreSQL for their web sites or products - Apple, Cisco, the US State Department, the University of California, Berkeley, and many more.