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PostgreSQL 9.2.1

PostgreSQL

PostgreSQL 9.2.1

PostgreSQL Global Development Group
免費軟體

在mysql開始針對特定功能開始收費之後，postgresql立即被免費軟體開發解決方案，樹立免費資料庫軟體優秀領導品牌之一。

  • 短小的檔案與不佔系統記憶體，適合中小企業自行架設網站。
  • 開放原始碼解決方案。
  • 雖然免費，但功能強大。
  • 屬於關聯式資料庫系統，超過十五年的發展歷史。
  • 系統架構經過驗證符合可靠度與正確性的嚴格要求。
  • 可以在大部分主要的作業系統上運行。如Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, Tru64), 與Windows。
  • 支援大部分的SQL資料型別，包含INTEGER, NUMERIC, BOOLEAN, CHAR, VARCHAR, DATE, INTERVAL, 與TIMESTAMP。
  • 支援大部分的SQL二進位資料型別，包含圖片、聲音與影像。
  • 具原生程式設計介面，如C/C++, Java, .Net, Perl, Python, Ruby, Tcl, ODBC等等。

軟體資訊
檔案版本 PostgreSQL 9.2.1
檔案名稱 postgresql-9.2.1-1-windows.exe
檔案大小 48.45MB
系統 Windows (All Versions)
支援語系 Multiple languages
軟體類型 免費軟體
更新日期 2012-09-25
更新日誌

# Changes
* Fix persistence marking of shared buffers during WAL replay
* Fix possible incorrect sorting of output from queries involving WHERE indexed_column IN (list_of_values)
* Fix planner failure for queries involving GROUP BY expressions along with window functions and aggregates
* Fix planner's assignment of executor parameters
* Improve planner's handling of join conditions in index scans
* Improve selectivity estimation for text search queries involving prefixes, i.e. word:* patterns
* Fix delayed recognition of permissions changes
* Fix ANALYZE to not fail when a column is a domain over an array type
* Prevent PL/Perl from crashing if a recursive PL/Perl function is redefined while being executed
* Work around possible misoptimization in PL/Perl
* Remove unnecessary dependency on pg_config from pg_upgrade
* Update time zone data files to tzdata release 2012f for DST law changes in Fiji
作者 PostgreSQL Global Development Group
官網 暫無資訊

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