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With the help of function, how can we return the difference in Year, Month and Days between two date values?
We can create a function, which accepts the date values as its argument and returns the difference in year, month and days, as follows
mysql> CREATE FUNCTION date_difference(Date1 DATE, date2 DATE) RETURNS VARCHAR(30) -> RETURN CONCAT( -> @years := TIMESTAMPDIFF(YEAR, date1, date2),IF (@years = 1, ' year, ', ' years, '), -> @months := TIMESTAMPDIFF(MONTH, DATE_ADD(date1, INTERVAL @years YEAR), date2),IF (@months = 1, ' month, ', ' months, '), -> @days := TIMESTAMPDIFF(DAY, DATE_ADD(date1, INTERVAL @years * 12 + @months MONTH), date2),IF (@days = 1, ' day', ' days')) ; Query OK, 0 rows affected (0.00 sec)
Now, pass the values of dates as argument in function date_difference
mysql> Select date_difference('2015-11-16','2016-12-17') AS Difference;
+------------------------+
| Difference |
+------------------------+
| 1 year, 1 month, 1 day |
+------------------------+
1 row in set (0.00 sec)The above result set gives the difference between two specified dates as argument of function.
Updated on: 29-Jan-2020
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