postgresql float data type
variable. user-specified precision, exact. up to 131072 digits before the ... 可調式精確度數值型別(NUMERIC Type) ... 浮點數型別(Floating-Point Types). ,
相關軟體 PostgreSQL 資訊 | |
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PostgreSQL 是一個跨平台的對象關係型數據庫管理系統,自 1995 年首次發布以來,已經成長為國際知名的解決方案,可幫助管理員輕鬆創建,組織,管理和部署各種形狀和大小的項目數據庫。這當然包括對運行 SQL 查詢,觸發管理,屬性管理以及其他企業級數據庫管理系統當前正在使用的所有功能的全面控制。為使日常管理多個作業和項目組件的管理員更容易訪問,PostgreSQL 符合大多數 SQL 2008... PostgreSQL 軟體介紹
postgresql float data type 相關參考資料
8. 資料型別- PostgreSQL 正體中文使用手冊
使用者也可以使用CREATE TYPE 指令讓PostgreSQL 增加新的資料型別。 ... variable-length character string ... double precision floating-point number (8 bytes). https://docs.postgresql.tw 8.1. 數字型別- PostgreSQL 正體中文使用手冊
variable. user-specified precision, exact. up to 131072 digits before the ... 可調式精確度數值型別(NUMERIC Type) ... 浮點數型別(Floating-Point Types). https://docs.postgresql.tw Documentation: 10: 8.1. Numeric Types - PostgreSQL
https://www.postgresql.org Documentation: 11: 8.1. Numeric Types - PostgreSQL
Floating-Point Types. The data types real and double precision are inexact, variable-precision numeric types. In practice, these types ... https://www.postgresql.org Documentation: 13: 8.1. Numeric Types - PostgreSQL
Floating-Point Types. The data types real and double precision are inexact, variable-precision numeric types. On all currently supported platforms ... https://www.postgresql.org Documentation: 7.4: Data Types - PostgreSQL
PostgreSQL has a rich set of native data types available to users. Users may add ... double precision, float8, double precision floating-point number. inet, IPv4 or ... https://www.postgresql.org Documentation: 9.0: Numeric Types - PostgreSQL
PostgreSQL also supports the SQL-standard notations float and float(p) for specifying inexact numeric types. Here, p specifies the minimum acceptable precision in binary digits. PostgreSQL accepts flo... https://www.postgresql.org Documentation: 9.1: Numeric Types - PostgreSQL
PostgreSQL also supports the SQL-standard notations float and float(p) for specifying inexact numeric types. Here, p specifies the minimum acceptable precision in binary digits. PostgreSQL accepts flo... https://www.postgresql.org Documentation: 9.5: Numeric Types - PostgreSQL
Floating-Point Types. The data types real and double precision are inexact, variable-precision numeric types. In practice, these types are usually implementations ... https://www.postgresql.org Getting Started with PostgreSQL Data Types
float(n) is a floating-point number whose precision, at least, n, up to a maximum of 8 bytes. · real or float8 is a 4-byte floating-point number. · numeric or numeric(p,s) ... https://www.postgresqltutorial |