PostgreSQL is an object relational database management system, which supports a large part of the SQL standard and offers many modern features. It is open-source and is free of cost. Some of the features include complex queries, foreign keys, triggers, updatable views, transactional integrity, and multi-version currency control. PostgreSQL can also be extended by the user in many ways. For instance, the user can extend it by adding new data types, functions, operators, aggregate functions, index methods and procedural languages. It can run on numerous platforms including Linux, Mac OS X, and Windows. It also supports texts, images, sounds and videos. Besides this, it includes programming interfaces for C/C++, Java, Perl, Python, Ruby, and Open database connectivity (ODBC). As a database server, the primary function of PostgreSQL is to store data securely and also return the data in response to the request raised by other software applications.
The PostgreSQL manager runs on all the popular operating systems including Windows, Mac OS X, and Linux. It allows you to manage, monitor and tune large scale Postgres installations in a smart and efficient manner. Some of its features include server auto-discovery, pre-configured ready-to-run probes, custom probes, personalized alerts, remote monitoring, custom dashboards and web clients. The DBA tools include database objects management, audit manager, log manager, log analysis expert and team support. The developer tools include query tool, data grid, SQL profiler, SQL debugger and import tools. Besides this, you have the tuning tools that include tuning wizard, performance diagnostics, index advisor and at-a-glance performance dashboards.
The PostgreSQL Administration and Management Tools include pgadmin, which is the most popular administration and development platform for PostgreSQL. This platform is full of multitude of features and it can be used on Linux, FreeBSD, Solaris, Mac OS, and Windows platform to manage PostgreSQL 9.2 and above. It can also manage the commercial and derived versions of PostgreSQL such as EDB Postgres Advanced Server.
Although PostgreSQL is the most advanced database in the world, it suffers from some limitations. Its biggest limitation is that it lacks dedicated open-source monitoring tools. If you compare it to its competitors, you will see that the PostgreSQL community has not been able to produce tools that are similar to Oracle Grid Control, MySQL Workbench or SQL Server Management Studio.
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