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PostgreSQL 9.4.1

PostgreSQL

PostgreSQL 9.4.1

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 9.4.1
檔案名稱 postgresql-9.4.1-1-windows.exe
檔案大小 56.21MB
系統 Windows (All Versions)
支援語系 Multiple languages
軟體類型 免費軟體
更新日期 2015-02-09
更新日誌

# Changes
* Fix buffer overruns in to_char()
* Fix buffer overruns in contrib/pgcrypto
* Fix possible loss of frontend/backend protocol synchronization after an error
* Fix information leak via constraint-violation error messages
* Lock down regression testing's temporary installations on Windows
* Cope with the Windows locale named "Norwegian (Bokmål)"
* Fix use-of-already-freed-memory problem in EvalPlanQual processing
* Avoid possible deadlock while trying to acquire tuple locks in EvalPlanQual processing
* Fix failure to wait when a transaction tries to acquire a FOR NO KEY EXCLUSIVE tuple lock, while multiple other transactions currently hold FOR SHARE locks
* Improve performance of EXPLAIN with large range tables
* Fix jsonb Unicode escape processing, and in consequence disallow u0000
* Fix namespace handling in xpath()
* Fix assorted oversights in range-operator selectivity estimation
* Revert unintended reduction in maximum size of a GIN index item
* Fix query-duration memory leak during repeated GIN index rescans
* Fix possible crash when using nonzero gin_fuzzy_search_limit
* Assorted fixes for logical decoding
* Fix incorrect replay of WAL parameter change records that report changes in the wal_log_hints setting
* Change "pgstat wait timeout" warning message to be LOG level, and rephrase it to be more understandable
* Warn if OS X's setlocale() starts an unwanted extra thread inside the postmaster
* Fix libpq's behavior when /etc/passwd isn't readable
* Improve consistency of parsing of psql's special variables
* Fix pg_dump to handle comments on event triggers without failing
* Allow parallel pg_dump to use --serializable-deferrable
* Prevent WAL files created by pg_basebackup -x/-X from being archived again when the standby is promoted
* Handle unexpected query results, especially NULLs, safely in contrib/tablefunc's connectby()
* Numerous cleanups of warnings from Coverity static code analyzer
* Allow CFLAGS from configure's environment to override automatically-supplied CFLAGS
* Make pg_regress remove any temporary installation it created upon successful exit
* Add CST (China Standard Time) to our lists of timezone abbreviations
* Update time zone data files to tzdata release 2015a for DST law changes in Chile and Mexico, plus historical changes in Iceland.
作者 PostgreSQL Global Development Group
官網 暫無資訊

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