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DATEDIFF
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The DATEDIFF() function subtracts to find the number of days between two dates.
Syntax
DATEDIFF(date1, date2)Arguments
-
date1, date2: a valid date, datetime, or parsable date string.
Only the date part is used.
Return Type
Integer.
Examples
SELECT DATEDIFF('2017-03-27', '2017-03-26') AS days_til_graduation;
+---------------------+
| days_til_graduation |
+---------------------+
| 1 |
+---------------------+If date1 is in the past, the function returns a negative result.
SELECT DATEDIFF('2017-03-26', '2017-03-27') AS days_til_graduation;
+---------------------+
| days_til_graduation |
+---------------------+
| -1 |
+---------------------+NOW() can be used as one of the parameters.
SELECT DATEDIFF('2099-12-31', NOW()) AS days_til_graduation;
+---------------------+
| days_til_graduation |
+---------------------+
| 30229 |
+---------------------+Last modified: