可以使用 DateAdd 函数对日期加上或减去指定的时间间隔。例如,可以用 DateAdd 来计算距今天为三十天的日期;或者计算距现在为 45 分钟的时间。 为了对 date 加上“日”,可以使用“一年的日数” (“y”),“日” (”d”) 或“一周的日数” (”w”)。 DateAdd 函数将不返回有效日期。在以下实例中将 1 月3...
SELECTDATEADD(month, -(10/2), SYSDATETIME()); Specify ranking functions as number This example uses a ranking function as an argument fornumber. SQL SELECTp.FirstName, p.LastName,DATEADD(day, ROW_NUMBER()OVER(ORDERBYa.PostalCode), SYSDATETIME())AS'Row Number'FROMSales.SalesPersonASsINNERJOI...
select dateadd(minute,5,timetz_val) as minplus5_tz from timetz_test; minplus5_tz --- 04:05:00+00 00:05:00.5550+00 06:03:00+00 以下示例将 2 小时添加到一个文本 timetz 值。 select dateadd(hour, 2, timetz '13:24:55 PST'); date_add --- 23:24:55+00 具有TIMESTAMP 列的示例...
This function is used to add an interval of days in the Date. Suppose a university instructor wants to extend the date of the final submission date for an assignment. Let's look at the SQL Server DATEADD function Code example, Instructor wants to add 5 more days in the DueDate Column in...
DATEADD(day, -5, '2023-03-01') Copy 10. CONVERT() The CONVERT() function is SQL Server’s alternative for DATE_FORMAT(). Hence, it lets you specify the format for your date output. What is a time series database? A time series database (or TSDB) is a special type of database...
DateAdd(String, Nullable<Double>, Nullable<DateTimeOffset>) 向指定的日期添加间隔,以此返回新的日期值。 C# [System.Data.Objects.DataClasses.EdmFunction("SqlServer","DATEADD")]publicstaticDateTimeOffset? DateAdd (stringdatePartArg,double? number, DateTimeOffset? dateTimeOffsetArg); ...
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...
dateadd2 函式 "datediff" 函式 datediff(timestamp)函式 日 函數 dayname(日期名稱)函式 dayofmonth 函數 dayofweek 函數 年日數函式 十進位函數 解碼函式 譯碼(字元集) 函式 角度函式 dense_rank 函式 div 運算子 「dotsign」運算符 雙重功能 e 函數 element_at 函數 elt 函式 encode 函數 endswith ...
ExampleGet your own SQL Server Add one year to a date, then return the date: SELECT DATEADD(year, 1, '2017/08/25') AS DateAdd; Try it Yourself » Definition and UsageThe DATEADD() function adds a time/date interval to a date and then returns the date....
This function is used to add a number to a given date part. For example, SELECTDATEADD(month,1,'2022-08-31');-- output: 2022-09-30 00:00:00 Here, the function adds1to themonthpart of the date2022-08-31. Notes: TheGETDATE(),DATEDIFF(), andDATEADD()functions are not supported ...