PostgreSQL, also known as Postgres is an open-source RDBMS. It was developed by UC Berkeley computer scientist Michael Stonebraker in the 1980’s. It stores data in tables and uses Structured Query Language (SQL) for database access. In PostgreSQL, you pre-define your database schema based on your requirements and set up rules to govern the relationships between fields in your tables.
PostgreSQL is cross-platform and runs on many operating systems such as Linux, FreeBSD, OS X, Solaris, and Microsoft Windows etc. It is open source and its source code is available free of charge.PostgreSQL supports text, images, sounds, and video, and includes programming interfaces for C / C++, Java, Perl, Python, Ruby, Tcl and Open Database Connectivity.
PostgreSQL supports a lot of features of SQL like Complex SQL queries, SQL Sub-selects, Foreign keys, Trigger, Views, Transactions, Multiversion concurrency control (MVCC), Streaming Replication, Hot Standby. There are several open sources as well as Paid tools are available as front-end to PostgreSQL. Here are a few
It is a command line tool and the primary tool to manage PostgreSQL. pgAdmin.It is a free and open source graphical user interface administration tool for PostgreSQL.
It is a web-based administration tool for PostgreSQL written in PHP. It is based on the phpMyAdmin tool to manage MySQL.OpenOffice.org Base. It can be used as a front-end tool to PostgreSQL.
It is a log analyzer which creates reports from PostgreSQL log files.
PostgreSQL uses a client/server model.A server process, which manages the database files, accepts connections to the database from client applications and performs actions on the database on behalf of the clients. The database server program is called postmaster.
The user's client application that wants to perform database operations. Client applications can be very diverse in nature: a client could be a text-oriented tool, a graphical application, a web server that accesses the database to display web pages, or a specialized database maintenance tool. Some client applications are supplied with the PostgreSQL distribution, most are developed by users. The PostgreSQL server can handle multiple concurrent connections from clients.
Companies who use PostgreSQL include
Here, we list you some of the top Postgres companies in Poland. Please visit for the companies which match your requirements.