EXTRACT(unit FROM date) 复制代码 其中unit表示要提取的部分,比如YEAR、MONTH、DAY、HOUR等。 在Oracle数据库中,EXTRACT函数用于从日期字段中提取特定的部分,语法为: EXTRACT(unit FROM date) 复制代码 unit表示要提取的部分,比如YEAR、MONTH、DAY等。 在SQL Server中,类似功能的函数是DATEPART函数,用法为: DATEPART...
] GO SELECT CONVERT(varchar(4), GETDATE(), 126) AS [Year] GO SELECT DATEPART(YEAR,GETDATE()) AS [Year] GO SELECT DATEPART(YEAR,GETDATE()) AS [Year] GO SELECT DATENAME(YEAR,GETDATE()) AS [Year] GO -- available from SQL Server 2012 SELECT FORMAT(GETDATE(),'yyyy') AS [Year]...
EXTRACT(part FROM date_expression); The function is effortless and accepts a date as a literal value or an expression that returns a date object. Below is an example on how to extract the year from March 21st2022. SELECT EXTRACT(YEAR FROM DATE '2022-02-21') AS year; Note the example ...
SELECT [Measures].[Internet Sales Amount] ON 0, //Returns the distinct combinations of Customer and Date for all purchases //of Bike Racks or Bike Stands EXTRACT( NONEMPTY( [Customer].[Customer].[Customer].MEMBERS * [Date].[Date].[Date].MEMBERS * {[Product].[Product Categories].[Subcate...
EXTRACT (component_part FROM expression)where the data type of <expression> is some type of date, time, or datetime. <number> is an integer (can be positive or negative). Common <component_datepart> can be one of the following: YEAR MONTH DAY HOUR MINUTE SECOND...
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SELECT [Measures].[Internet Sales Amount] ON 0, //Returns the distinct combinations of Customer and Date for all purchases //of Bike Racks or Bike Stands EXTRACT( NONEMPTY( [Customer].[Customer].[Customer].MEMBERS * [Date].[Date].[Date].MEMBERS * {[Product].[Product Categories].[Subcate...
Extract can only get single fields. To extract the full date (year, month, day) or time (hour, minute, second) from a timestamp, cast can be used:1 CAST( AS [DATE|TIME]) This is particularly useful for the group by clause. In the where clause, it is often the wrong choice....
FROM{ date_value | interval_value } ) //我们只可以从一个date类型中截取year,month,day(date日期的格式为yyyy-mm-dd); //我们只可以从一个timestampwithtimezone 的数据类型中截取TIMEZONE_HOUR和TIMEZONE_MINUTE; selectextract(yearfromdate'2011-05-17')yearfromdual; ...
Points: 3994 More actions March 30, 2010 at 1:21 pm #1142621 Unlike (6) Hi Lutz, Thanks so much for your help! When i alter to add columns as datatime datatype and update my both the columns, can you show me how to make date format like9/4/2008 9:00:01 AM ...