SQL Server DATEADD use of date functions

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

If you think reading this blog gives you something to gain, you might want to click " recommend " in the lower right corner.

If you want to find my new blog more easily, click on " Follow me "

If you want to give me more encouragement, you may wish to click on the right, " enjoy your stay"

Blog is his own summary of the results of learning, learning to summarize the knowledge-"analysis of the problem-" to solve the problem.

Where the views/descriptions in the text are incorrect, please correct them.

Thank you for your reading, if you are interested in the content of my blog, please continue to follow my following blog, I am yxtic.

SQL Server DATEADD use of date functions