在SQL Server 中,我們可以用 DATEADD() 函數在日期和時間中增加或減少指定的時間間隔。 DATEADD() 語法 (Syntax) DATEADD(datepart, number, date) DATEADD() 會將指定的 number 值 (一個正負號的整數) 加到 date 值的指定 datepart,然後返回修改後的值。
For example, you can use this function to find the date that is 7,000 minutes from today: number = 7000, datepart = minute, date = today.See Date and time data types and functions for an overview of all Transact-SQL date and time data types and functions....
SQL Server DATEADD() 函数 SQLServerDATEADD()函数SQLServerDate函数定义和用法DATEADD()函数在日期中添加或减去指定的时间间隔。 语法date参数是合法的日期表达式。number是您希望添加的间隔数;对于未来的时间,此数是正数,对于过去的时间,此数是负数。datepart参数可以是下列的值: ...
This example specifies user-defined variables as arguments fornumberanddate: SQL DECLARE@daysINT=365, @datetime DATETIME ='2000-01-01 01:01:01.111';/* 2000 was a leap year */;SELECTDATEADD(day, @days, @datetime); Here's the result set. ...
Get started with this simple example of the Import and Export Wizard Start the SQL Server Import and Export Wizard Connect to Data Sources with the SQL Server Import and Export Wizard Steps in the SQL Server Import and Export Wizard Import from or export to Excel Load data to SQL Server or...
Works in:SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse More Examples Example Add two months to a date, then return the date: SELECTDATEADD(month,2,'2017/08/25')ASDateAdd; Try it Yourself » ...
Example: Wrong Date Format SELECTDATEADD(month,-2,'12/31/2021 123')ASResult Share Tweet Share Whatsapp Want to check how much you know SQL Server? Start SQL Server Test
SQL Server Import and Export Wizard Get started with this simple example of the Import and Export Wizard Start the SQL Server Import and Export Wizard Connect to Data Sources with the SQL Server Import and Export Wizard Steps in the SQL Server Import and Export Wizard ...
For example, this will fail in SQL Server: declare@Startasdate='20130201'declare@Endasdate='20130210'declare@startdateasdatetime;declare@enddateasdatetime;set@startdate=DATEADD(hh,+0,@Start)set@enddate=DATEADD(hh,+0,@End) While this will work: ...
SQL Server Import and Export Wizard Get started with this simple example of the Import and Export Wizard Start the SQL Server Import and Export Wizard Connect to Data Sources with the SQL Server Import and Export Wizard Steps in the SQL Server Import and Export Wizard ...