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    PostgreSQL 9.2.1

    UPDATED ON:  September 26, 2012

    CATEGORY: Home / Education, Office / Productivity, Programming

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    Size: 47.02 MB
    Supported OS:Windows 2K, XP, Vista, 7
    Last updated:September 26, 2012
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    PostgreSQL is a powerful, open source object-relational database system.

    PostgreSQL has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), and Windows. It is fully ACID compliant, has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It includes most SQL:2008 data types, including INTEGER, NUMERIC, BOOLEAN, CHAR, VARCHAR, DATE, INTERVAL, and TIMESTAMP. It also supports storage of binary large objects, including pictures, sounds, or video. It has native programming interfaces for C/C++, Java, .Net, Perl, Python, Ruby, Tcl, ODBC, among others, and exceptional documentation.

    An enterprise class database, PostgreSQL boasts sophisticated features such as Multi-Version Concurrency Control (MVCC), point in time recovery, tablespaces, asynchronous replication, nested transactions (savepoints), online/hot backups, a sophisticated query planner/optimizer, and write ahead logging for fault tolerance. It supports international character sets, multibyte character encodings, Unicode, and it is locale-aware for sorting, case-sensitivity, and formatting. It is highly scalable both in the sheer quantity of data it can manage and in the number of concurrent users it can accommodate. There are active PostgreSQL systems in production environments that manage in excess of 4 terabytes of data. Some general PostgreSQL limits are included in the table below.

    Maximum Database SizeUnlimited
    Maximum Table Size32 TB
    Maximum Row Size1.6 TB
    Maximum Field Size1 GB
    Maximum Rows per TableUnlimited
    Maximum Columns per Table250 - 1600 depending on column types
    Maximum Indexes per TableUnlimited




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