firebird timestamp

相關問題 & 資訊整理

firebird timestamp

select cast('NOW' as timestamp) from rdb$database -- returns e.g. 2008-08-13 14​:20:19.6170. Shorthand syntax for the last three statements: select date 'Now' ... ,Alternative syntax, supported only when casting a string literal to a DATE, TIME or TIMESTAMP: datatype 'date/timestring'. This syntax was already available in ... ,From Firebird 2.0 onward you can specify a precision when polling this variable. The default is 3 decimals, i.e. milliseconds precision. Type: TIMESTAMP. Syntax:. ,For TIME and TIMESTAMP literals Firebird happily accepts up to deci-​milliseconds precision, but truncates (not rounds) the time part to the nearest lower or equal ... ,... (negative to subtract) <unit> ::= YEAR | MONTH | DAY | HOUR | MINUTE | SECOND | MILLISECOND <datetime> ::= a DATE, TIME or TIMESTAMP expression. ,DATE and TIMESTAMP arguments can be combined. No other mixes are allowed. With DATE arguments, only YEAR, MONTH and DAY can be used. With TIME ... ,Available in: DSQL, ESQL, PSQL. Added in: IB 6. Changed in: 2.1. Description: Extracts and returns an element from a DATE, TIME or TIMESTAMP expression. ,Firebird allows the use of a shorthand “C-style” type syntax for casts from string to the types DATE , TIME and TIMESTAMP . Syntax. <data_type> ' ... ,Dialect 3 TIMESTAMP: Dialect 1 DATE: Format: 'CCYY-MM-DD HH:NN:SS.nnnn' or 'YY-MM- ...

相關軟體 Firebird (32-bit) 資訊

Firebird (32-bit)
Firebird 是一個關係數據庫,提供許多在 Linux,Windows 和各種 Unix 平台上運行的 ANSI SQL 標準功能。 Firebird 為存儲過程和触發器提供出色的並發性,高性能和強大的語言支持。 Firebird 項目是一個 C 和 C ++ 程序員,技術顧問和支持者在商業上獨立的項目,開發和增強了一個基於源代碼的多平台關係數據庫管理系統由 Inprise Corp(現稱為 ... Firebird (32-bit) 軟體介紹

firebird timestamp 相關參考資料
&#39;NOW&#39; - Firebird

select cast('NOW' as timestamp) from rdb$database -- returns e.g. 2008-08-13 14​:20:19.6170. Shorthand syntax for the last three statements: select date 'Now' ...

https://firebirdsql.org

CAST() - Firebird

Alternative syntax, supported only when casting a string literal to a DATE, TIME or TIMESTAMP: datatype 'date/timestring'. This syntax was already available in ...

https://firebirdsql.org

CURRENT_TIMESTAMP - Firebird

From Firebird 2.0 onward you can specify a precision when polling this variable. The default is 3 decimals, i.e. milliseconds precision. Type: TIMESTAMP. Syntax:.

https://firebirdsql.org

Data Types for Dates and Times

For TIME and TIMESTAMP literals Firebird happily accepts up to deci-​milliseconds precision, but truncates (not rounds) the time part to the nearest lower or equal ...

https://ib-aid.com

DATEADD() - Firebird

... (negative to subtract) &lt;unit&gt; ::= YEAR | MONTH | DAY | HOUR | MINUTE | SECOND | MILLISECOND &lt;datetime&gt; ::= a DATE, TIME or TIMESTAMP expression.

https://firebirdsql.org

DATEDIFF() - Firebird

DATE and TIMESTAMP arguments can be combined. No other mixes are allowed. With DATE arguments, only YEAR, MONTH and DAY can be used. With TIME ...

https://firebirdsql.org

EXTRACT() - Firebird

Available in: DSQL, ESQL, PSQL. Added in: IB 6. Changed in: 2.1. Description: Extracts and returns an element from a DATE, TIME or TIMESTAMP expression.

https://firebirdsql.org

Firebird 2.5 Language Reference

Firebird allows the use of a shorthand “C-style” type syntax for casts from string to the types DATE , TIME and TIMESTAMP . Syntax. &lt;data_type&gt; ' ...

https://firebirdsql.org

Firebird Date Literals - Firebird

Dialect 3 TIMESTAMP: Dialect 1 DATE: Format: 'CCYY-MM-DD HH:NN:SS.nnnn' or 'YY-MM- ...

https://firebirdsql.org