In order to understand these examples, let's first review the DATEDIFF and DATEADD functions. The DATEDIFF function calculates the amount of time between two dates, where the time part is based on an interval of time, such as hours, days, weeks, months, years, etc. The DATEADD function ca...
SELECTCASEWHENDATEPART(dy,GETDATE())<DATEPART(dy,'25 Dec'++DATENAME(YEAR,GETDATE())) THENCAST('25 Dec'++DATENAME(YEAR,GETDATE())ASdatetime) ELSECAST('25 Dec'+CAST(DATEPART(YEAR,GETDATE())+1ASVARCHAR)ASdatetime)END /* Date Conversions When converting from SQL Server dates to Unix times...
ExamplesThis example returns the base year. The base year helps with date calculations. In the example, a number specifies the date. Notice that SQL Server interprets 0 as January 1, 1900.SQL Копирај SELECT DATEPART(year, 0), DATEPART(month, 0), DATEPART(day, 0); -- ...
Applies to: SQL Server SSIS Integration Runtime in Azure Data FactoryReturns an integer representing a datepart of a date.SyntaxКопирај DATEPART(datepart, date) Argumentsdatepart Is the parameter that specifies for which part of the date to return a new value.date...
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Examples This example returns the base year. The base year helps with date calculations. In the example, a number specifies the date. Notice that SQL Server interprets 0 as January 1, 1900. SQL SELECTDATEPART(year,0),DATEPART(month,0),DATEPART(day,0);-- Returns: 1900 1 1 ...
Examples This example returns the base year. The base year helps with date calculations. In the example, a number specifies the date. Notice that SQL Server interprets 0 as January 1, 1900. SQL SELECTDATEPART(year,0),DATEPART(month,0),DATEPART(day,0);-- Returns: 1900 1 1 ...
Examples This example returns the base year. The base year helps with date calculations. In the example, a number specifies the date. Notice that SQL Server interprets 0 as January 1, 1900. SQL SELECTDATEPART(year,0),DATEPART(month,0),DATEPART(day,0);-- Returns: 1900 1 1 ...
SQL Server Azure SQL Database Azure SQL Managed Instance 指定したバージョンの SQL エンジンと互換性があるように、Transact-SQL およびクエリ処理の動作を設定します。 ALTER DATABASE の他のオプションについては、「ALTER DATABASE」をご覧ください。
CREATE FUNCTION dbo.ISOweek (@DATE DATETIME) RETURNS INT WITH EXECUTE AS CALLER AS BEGIN DECLARE @ISOweek INT; SET @ISOweek = DATEPART(wk, @DATE) + 1 - DATEPART(wk, CAST(DATEPART(yy, @DATE) AS CHAR(4)) + '0104'); --Special cases: Jan 1-3 may belong to the previous year IF...