Tutorials References Menu

SQL Tutorial

SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL And, Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL Union SQL Group By SQL Having SQL Exists SQL Any, All SQL Select Into SQL Insert Into Select SQL Case SQL Null Functions SQL Stored Procedures SQL Comments SQL Operators

SQL Database

SQL Create DB SQL Drop DB SQL Backup DB SQL Create Table SQL Drop Table SQL Alter Table SQL Constraints SQL Not Null SQL Unique SQL Primary Key SQL Foreign Key SQL Check SQL Default SQL Index SQL Auto Increment SQL Dates SQL Views SQL Injection SQL Hosting SQL Data Types

SQL References

SQL Keywords MySQL Functions SQL Server Functions MS Access Functions SQL Quick Ref

SQL Examples

SQL Examples

SQL Server DATEADD() Function

❮ SQL Server Functions

Example

Add one year to a date, then return the date:

SELECT DATEADD(year, 1, '2017/08/25') AS DateAdd;
Try it Yourself »

Definition and Usage

The DATEADD() function adds a time/date interval to a date and then returns the date.

Syntax

DATEADD(interval, number, date)

Parameter Values

Parameter Description
interval Required. The time/date interval to add. Can be one of the following values:
  • year, yyyy, yy = Year
  • quarter, qq, q = Quarter
  • month, mm, m = month
  • dayofyear, dy, y = Day of the year
  • day, dd, d = Day
  • week, ww, wk = Week
  • weekday, dw, w = Weekday
  • hour, hh = hour
  • minute, mi, n = Minute
  • second, ss, s = Second
  • millisecond, ms = Millisecond
number Required. The number of interval to add to date. Can be positive (to get dates in the future) or negative (to get dates in the past)
date Required. The date that will be modified

Technical Details

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:

SELECT DATEADD(month, 2, '2017/08/25') AS DateAdd;
Try it Yourself »

Example

Subtract two months from a date, then return the date:

SELECT DATEADD(month, -2, '2017/08/25') AS DateAdd;
Try it Yourself »

Example

Add 18 years to the date in the BirthDate column, then return the date:

SELECT LastName, BirthDate, DATEADD(year, 18, BirthDate) AS DateAdd FROM Employees;
Try it Yourself »

❮ SQL Server Functions