firebird timestamp
select cast('NOW' as timestamp) from rdb$database -- returns e.g. 2008-08-13 14:20:19.6170. Shorthand syntax for the last three statements: select date 'Now' ... ,Alternative syntax, supported only when casting a string literal to a DATE, TIME or TIMESTAMP: datatype 'date/timestring'. This syntax was already available in ... ,From Firebird 2.0 onward you can specify a precision when polling this variable. The default is 3 decimals, i.e. milliseconds precision. Type: TIMESTAMP. Syntax:. ,For TIME and TIMESTAMP literals Firebird happily accepts up to deci-milliseconds precision, but truncates (not rounds) the time part to the nearest lower or equal ... ,... (negative to subtract) <unit> ::= YEAR | MONTH | DAY | HOUR | MINUTE | SECOND | MILLISECOND <datetime> ::= a DATE, TIME or TIMESTAMP expression. ,DATE and TIMESTAMP arguments can be combined. No other mixes are allowed. With DATE arguments, only YEAR, MONTH and DAY can be used. With TIME ... ,Available in: DSQL, ESQL, PSQL. Added in: IB 6. Changed in: 2.1. Description: Extracts and returns an element from a DATE, TIME or TIMESTAMP expression. ,Firebird allows the use of a shorthand “C-style” type syntax for casts from string to the types DATE , TIME and TIMESTAMP . Syntax. <data_type> ' ... ,Dialect 3 TIMESTAMP: Dialect 1 DATE: Format: 'CCYY-MM-DD HH:NN:SS.nnnn' or 'YY-MM- ...
| 相關軟體 Firebird (32-bit) 資訊 | |
|---|---|
 firebird timestamp 相關參考資料
'NOW' - Firebird
select cast('NOW' as timestamp) from rdb$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) <unit> ::= YEAR | MONTH | DAY | HOUR | MINUTE | SECOND | MILLISECOND <datetime> ::= 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. <data_type> ' ... 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 |