postgres text

character varying( n ) , varchar( n ), variable-length with limit. character( n ) , char( n ), fixed-length, blank padde...

postgres text

character varying( n ) , varchar( n ), variable-length with limit. character( n ) , char( n ), fixed-length, blank padded. text, variable unlimited length ... ,Many additional string functions are available for text, varchar(), and char() types. Some are used internally to implement the SQL92 string functions listed above.

相關軟體 PostgreSQL (64-bit) 資訊

PostgreSQL (64-bit)
PostgreSQL 64 位是一個功能強大的開源對象關係數據庫系統。它擁有超過 15 年的積極開發和經過驗證的架構,在可靠性,數據完整性和正確性方面贏得了良好聲譽。它運行在所有主要的操作系統上,包括 Linux,UNIX(AIX,BSD,HP-UX,SGI IRIX,Mac OS X,Solaris,Tru64)和 Windows。  PostgreSQL 64 位是一個功能強大的對象... PostgreSQL (64-bit) 軟體介紹

postgres text 相關參考資料
8.3. 字串型別- PostgreSQL 正體中文使用手冊

可變長度,但有限制. character(n) , char(n). 固定長度,空白填充. text. 可變且無限長度 ... 另外,PostgreSQL 提供了text 型別,它儲存任意長度的字串。雖然型別text ...

https://docs.postgresql.tw

Documentation: 11: 8.3. Character Types - PostgreSQL

character varying( n ) , varchar( n ), variable-length with limit. character( n ) , char( n ), fixed-length, blank padded. text, variable unlimited length ...

https://www.postgresql.org

Documentation: 6.5: String Functions - PostgreSQL

Many additional string functions are available for text, varchar(), and char() types. Some are used internally to implement the SQL92 string functions listed above.

https://www.postgresql.org

Documentation: 9.1: Character Types - PostgreSQL

character varying(n), varchar(n), variable-length with limit. character(n), char(n), fixed-length, blank padded. text, variable unlimited length ...

https://www.postgresql.org

Documentation: 9.1: String Functions and ... - PostgreSQL

Strings in this context include values of the types character, character varying, and text. Unless otherwise noted, all of the functions listed below work on all of ...

https://www.postgresql.org

Documentation: 9.3: String Functions and ... - PostgreSQL

Strings in this context include values of the types character, character varying, and text. Unless otherwise noted, all of the functions listed below work on all of ...

https://www.postgresql.org

Documentation: 9.4: Character Types - PostgreSQL

character varying(n), varchar(n), variable-length with limit. character(n), char(n), fixed-length, blank padded. text, variable unlimited length ...

https://www.postgresql.org

PostgreSQL Character Types: CHAR, VARCHAR, And TEXT

This tutorial introduces you to PostgreSQL character data types including char, varchar, and text, and give you tips to choose the suitable one for tables.

http://www.postgresqltutorial.

PostgreSQL TEXT Data Type - Features, Examples and ...

TEXT data type stores variable-length character data. Syntax TEXT Quick Example CREATE TABLE t (c TEXT); Range up to 1 Gb Trailing Spaces Stored and ...

http://www.sqlines.com

字元類型

Table 8-4 顯示了在PostgreSQL 裡可用的一般用途的字元類型。 SQL 定義了兩種 ... 另外,PostgreSQL 提供 text 類型,它可以儲存任何長度的字串。 儘管類型text ...

http://twpug.net