Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL Server DATEADD() Function?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___ DATEADD(year, 1, '2017/08/25') AS DateAdd;3Order
Put the learning moves in the order that makes the concept easiest to apply.
The DATEADD() function adds a time/date interval to a date and then returns the date.
Definition and Usage
SQL Server DATEADD() Function
Example
SELECT DATEADD(year, 1, '2017/08/25') AS DateAdd;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 |
- 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
Technical Details
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |
|---|