Character varying
如果明確地將值轉換為character varying(n) 或character(n),則超長值將被截斷為n 個字元而不會引發錯誤。(這也是SQL 標準所要求的。) 型別varchar(n) 和char(n) ... ,SQL defines two primary character types: character varying(n) and character(n), where n is a positive integer. Both of these types can store strings up to n ... ,If one explicitly casts a value to character varying(n) or character(n), then an over-length value will be truncated to n characters without raising an error. (This too is ... ,SQL defines two primary character types: character varying(n) and character(n), where n is a positive integer. Both of these types can store strings up to n ... ,If character varying is used without length specifier, the type accepts strings of any size. The latter is a PostgreSQL extension. In addition, PostgreSQL provides the ... ,SQL defines two primary character types: character varying(n) and character(n), where n is a positive integer. Both of these types can store strings up to n ... ,CHARACTER VARYING(n) , VARCHAR(n), variable-length with length limit. CHARACTER(n) , CHAR(n), fixed-length, blank padded. TEXT , VARCHAR ... , Name Description character varying(n), varchar(n) 变长,有长度限制character(n), char(n) 定长,不足补空白text 变长,无长度限制SQL 定义了两 ..., Varying is an alias for varchar, so no difference, see documentation :) The notations varchar(n) and char(n) are aliases for character varying(n) ...,SQL 定義了兩種基本的字元類型: character varying(n) 和 character(n), 這裡的n 是一個正整數。兩種類型都可以儲存最多n 個字元長的字串。 試圖儲存更長的字 ...
相關軟體 PostgreSQL (32-bit) 資訊 | |
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![]() Character varying 相關參考資料
8.3. 字串型別- PostgreSQL 正體中文使用手冊
如果明確地將值轉換為character varying(n) 或character(n),則超長值將被截斷為n 個字元而不會引發錯誤。(這也是SQL 標準所要求的。) 型別varchar(n) 和char(n) ... https://docs.postgresql.tw Documentation: 7.4: Character Types - PostgreSQL
SQL defines two primary character types: character varying(n) and character(n), where n is a positive integer. Both of these types can store strings up to n ... https://www.postgresql.org Documentation: 8.0: Character Types - PostgreSQL
If one explicitly casts a value to character varying(n) or character(n), then an over-length value will be truncated to n characters without raising an error. (This too is ... https://www.postgresql.org Documentation: 8.4: Character Types - PostgreSQL
SQL defines two primary character types: character varying(n) and character(n), where n is a positive integer. Both of these types can store strings up to n ... https://www.postgresql.org Documentation: 9.1: Character Types - PostgreSQL
If character varying is used without length specifier, the type accepts strings of any size. The latter is a PostgreSQL extension. In addition, PostgreSQL provides the ... https://www.postgresql.org Documentation: 9.5: Character Types - PostgreSQL
SQL defines two primary character types: character varying(n) and character(n), where n is a positive integer. Both of these types can store strings up to n ... https://www.postgresql.org PostgreSQL Character Types: CHAR, VARCHAR, And TEXT
CHARACTER VARYING(n) , VARCHAR(n), variable-length with length limit. CHARACTER(n) , CHAR(n), fixed-length, blank padded. TEXT , VARCHAR ... https://www.postgresqltutorial postgresql数据库character varying和character区别_树洞 ...
Name Description character varying(n), varchar(n) 变长,有长度限制character(n), char(n) 定长,不足补空白text 变长,无长度限制SQL 定义了两 ... https://blog.csdn.net What is the difference between CHARACTER VARYING and ...
Varying is an alias for varchar, so no difference, see documentation :) The notations varchar(n) and char(n) are aliases for character varying(n) ... https://stackoverflow.com 字元類型
SQL 定義了兩種基本的字元類型: character varying(n) 和 character(n), 這裡的n 是一個正整數。兩種類型都可以儲存最多n 個字元長的字串。 試圖儲存更長的字 ... http://twpug.net |