SQL Server DATEADD use of date functions

Source: Internet
Author: User

DATEADD Date Function

The DATEADD () function adds or subtracts a specified time interval from a date.

Day:
Add two days to the current date

Month:
Add two months to the current date

Select DATEADD (mm,2, ' 2014-12-30 ')    results: 2015-02-28 Select DATEADD (month,2, ' 2014-12-30 ')  

Years:
Add two years to the current date

Select DATEADD (yy,2, ' 2014-12-30 ')  results: 2016-12-30 Select DATEADD (year,2, ' 2014-12-30 ')  results: 2016-12-30


Grammar

DATEADD (Datepart,number,date)
The date parameter is a valid day expression. Number
is the number of intervals you want to add; for future time, this number is positive, and for the past time, this number is negative.


The datepart parameter can be the following value:
DatePart abbreviation
Year yy, yyyy
Quarterly QQ, Q
month mm, M
The day of the year dy, y
Day DD, D
Zhou Wk, ww
Week DW, W
Hour HH
Minutes mi, n
SEC SS, S
Ms MS
Subtle MCs
nanosecond NS

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SQL Server DATEADD use of date functions

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