Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind SQL Server DATENAME() 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.
___ DATENAME(year, '2017/08/25') AS DatePartString;3Order
Put the learning moves in the order that makes the concept easiest to apply.
The DATENAME() function returns a specified part of a date.
Definition and Usage
SQL Server DATENAME() Function
Example
SELECT DATENAME(year, '2017/08/25') AS DatePartString;Definition and Usage
The DATENAME() function returns a specified part of a date.
This function returns the result as a string value.
Syntax
DATENAME(
interval
,
date
)Parameter Values
| Parameter | Description |
|---|---|
| interval | Required. The part to return. Can be one of the following values: year, yyyy, yy = Year quarter, qq, q = Quarter month, mm, m = month dayofyear = Day of the year day, dy, y = Day week, ww, wk = Week weekday, dw, w = Weekday hour, hh = hour minute, mi, n = Minute second, ss, s = Second millisecond, ms = Millisecond |
| date | Required. The date to use |
- year, yyyy, yy = Year
- quarter, qq, q = Quarter
- month, mm, m = month
- dayofyear = Day of the year
- day, dy, y = 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
| Return type: | nvarchar |
|---|---|
| Works in: | SQL Server (starting with 2008), Azure SQL Database, Azure SQL Data Warehouse, Parallel Data Warehouse |