旧版本 PostgreSQL 9.0
PostgreSQL 9.0
Windows XP, Vista, 7, 2003, 2008
Open Source
20 September, 2010 (11 years ago )

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PostgreSQL 9.0

PostgreSQL 9.0 (46.63 MB)

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系统要求 PostgreSQL 9.0
  • Windows XP
  • Windows Vista
  • Windows 7
程序信息 PostgreSQL 9.0
PostgreSQL 9.0

46.63 MB

20 September, 2010 (11 years ago)

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版本历史 PostgreSQL 9.0
E.3.1. Overview This release of PostgreSQL adds features that have been requested for years, such as easy-to-use replication, a mass permission-changing facility, and anonymous code blocks. While past major releases have been conservative…


PostgreSQL 截图
The release of PostgreSQL 8.4 has a slew of built-in features that allow you to improve both performance and systems administration. PostgreSQL is a powerful,… More
That’s the main interface of Postgres which supports features like Data integrity include (compound) primary keys, foreign keys with restricting and… More
Make a Connection to make use of PostgreSQL which runs stored procedures in more than a dozen programming languages, including Java, Perl, Python, Ruby,… More
关于 PostgreSQL

PostgreSQL is a powerful, open source object-relational database system. It 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 Size Unlimited
Maximum Table Size 32 TB
Maximum Row Size 1.6 TB
Maximum Field Size 1 GB
Maximum Rows per Table Unlimited
Maximum Columns per Table 250 - 1600 depending on column types
Maximum Indexes per Table Unlimited

More information could be found at

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Did You Know?

In version 8.3 PostgreSQL added Full text search, SQL/XML, ENUM types, UUID types.