计算两个日期之间的天数差异: SELECTDATEDIFF(day,'2022-01-01','2022-01-10')ASDifferenceInDays; 1. 计算两个日期之间的年份差异: SELECTDATEDIFF(year,'2010-01-01','2023-10-23')ASYearsDifference; 1. 具体场景: 计算两个日期之间的完整月份数:你可以使用DATEDIFF
然后使用DATEDIFF()返回该日期的各个dateparts: DECLARE@date1datetime2='2000-01-01 00:00:00.0000000';DECLARE@date2datetime2=DATEADD(year,1,@date1);SELECTDATEDIFF(year,@date1,@date2)ASYears, DATEDIFF( quarter,@date1,@date2)ASQuarters, DATEDIFF(month,@date1,@date2)ASMonths, DATEDIFF( week,@...
In SQL Server: SELECT DATEDIFF(year, '2022-12-31', '2024-06-01') AS years_difference; Powered By Explanation: This calculates the difference in years between the two dates. Since the years 2023 and part of 2024 are counted, the result is 1. In MySQL: SELECT DATEDIFF('2024-06-01...
The MySQL DATEDIFF() function returns the number of days between two date or datetime values. Unlike some other date functions, DATEDIFF() considers only the date parts of the inputs, ignoring the time portion completely. This makes it particularly useful for calculating intervals in terms of wh...
MySQL is one of the most popular databases in the world. Regardless of the industry, MySQL is widely adopted for its features. It’s an open-source RDBMS. Data are organized into tables that can be related to each other. It incorporates SQL to perform va
Keep in mind that this is just an approximation. DATEDIFF and boundary values Understanding how DATEDIFF handles boundary values is crucial for correct calculations. For example, let’s calculate the difference in years between December 31, 2021, and January 1, 2022: ...
Return the difference between two dates, in years:SELECT DateDiff("yyyy", #13/01/1998#, #09/05/2017#); Try it Yourself » Definition and UsageThe DateDiff() function returns the difference between two dates.SyntaxDateDiff(datepart, date1, date2, firstdayofweek, firstweekofyear)...
Return the difference between two date values, in years: SELECTDATEDIFF(year,'2017/08/25','2011/08/25')ASDateDiff; Try it Yourself » Definition and Usage The DATEDIFF() function returns the difference between two dates, as an integer. ...
1回答 DATEDIFF (月) 、 我对DateDiff有一个问题(两个日期之间的月数) SELECTWHEN X IS NOT NULL THEN CONVERT(varchar(4), DATEDIFF(YEAR, A, GETDATE())) + ' years '+ CAST(DATEDIFF(mm, DATEADD(yy, DATEDIFF 浏览4提问于2017-02-24得票数 0 ...
The SQL DATEDIFF function is used to calculate the difference between two date or timestamp values, resulting in an integer that represents the time span between them. This function allows you to determine the duration between two dates in various units, such as days, months, years, hours, mi...