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SQL Quiz
SQL QuizMySQL DATE_SUB() Function
MySQL Date Functions
Definition and Usage
The DATE_SUB() function subtracts a specified time interval from a date.
Syntax
DATE_SUB(date,INTERVAL expr type)
Where date is a valid date expression and expr is the number of interval you want to subtract.
type can be one of the following:
| Type 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 |
Example
Assume we have the following "Orders" table:
| OrderId | ProductName | OrderDate |
|---|---|---|
| 1 | Jarlsberg Cheese | 2008-11-11 13:23:44.657 |
Now we want to subtract 5 days from the "OrderDate" date.
We use the following SELECT statement:
SELECT OrderId,DATE_SUB(OrderDate,INTERVAL 5 DAY) AS SubtractDate
FROM Orders
FROM Orders
Result:
| OrderId | SubtractDate |
|---|---|
| 1 | 2008-11-06 13:23:44.657 |
MySQL Date Functions
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