SQL Server DATEADD() Function
Example
Add one year to a date, then return the date:
SELECT DATEADD(year, 1, '2017/08/25') AS DateAdd;
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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 |
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interval | Required. The time/date interval to add. Can be one of the following values:
|
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 |
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More Examples
Example
Add two months to a date, then return the date:
SELECT DATEADD(month, 2, '2017/08/25') AS DateAdd;
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Subtract two months from a date, then return the date:
SELECT DATEADD(month, -2, '2017/08/25') AS DateAdd;
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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;
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