MySQL DATEDIFF() Function
Definition and Usage
The DATEDIFF() function returns the number of days between two dates.
Syntax
DATEDIFF(date1,date2)
date1 and date2 The parameter is a valid date or date/time expression.
Note:Only the date part of the value is involved in the calculation.
Instance
Example 1
Use the following SELECT statement:
SELECT DATEDIFF('2008-12-30','2008-12-29') AS DiffDate
Result:
| DiffDate |
|---|
| 1 |
Example 2
Use the following SELECT statement:
SELECT DATEDIFF('2008-12-29','2008-12-30') AS DiffDate
Result:
| DiffDate |
|---|
| -1 |
