MySQL DATEDIFF() Function
 MySQL Date Functions
 MySQL Date Functions
Definition and Usage
The DATEDIFF() function returns the time between two dates.
Syntax
DATEDIFF(date1,date2)
Where date1 and date2 are valid date or date/time expressions.
Note: Only the date parts of the values are used in the calculation.
Example
The following SELECT statement:
SELECT DATEDIFF('2014-11-30','2014-11-29') AS DiffDate
will result in this:
| DiffDate | 
|---|
| 1 | 
Example
The following SELECT statement:
SELECT DATEDIFF('2014-11-29','2014-11-30') AS DiffDate
will result in this:
| DiffDate | 
|---|
| -1 | 
 MySQL Date Functions
 MySQL Date Functions

