The EXTRACT() function is used to return a single part of a date/time, such as year, month, day, hour, minute, etc.
Where date is a valid date expression and unit can be one of the following:
Unit Value |
---|
MICROSECOND |
SECOND |
MINUTE |
HOUR |
DAY |
WEEK |
MONTH |
QUARTER |
YEAR |
SECOND_MICROSECOND |
MINUTE_MICROSECOND |
MINUTE_SECOND |
HOUR_MICROSECOND |
HOUR_SECOND |
HOUR_MINUTE |
DAY_MICROSECOND |
DAY_SECOND |
DAY_MINUTE |
DAY_HOUR |
YEAR_MONTH |
Assume we have the following "Orders" table:
OrderId | ProductName | OrderDate |
---|---|---|
1 | Jarlsberg Cheese | 2008-11-11 13:23:44.657 |
The following SELECT statement:
will result in this:
OrderYear | OrderMonth | OrderDay |
---|---|---|
2008 | 11 | 11 |