mysql date diff
SELECT DATEDIFF(expr1,expr2) as difference_in_days;
select DATEDIFF('2020-05-15', '2020-05-10'); //returns 5
select DATEDIFF('2020-05-13', '2020-05-16'); //returns -3
select DATEDIFF('2020-06-30', '2020-05-30'); //returns 30
mysql date diff
SELECT DATEDIFF(expr1,expr2) as difference_in_days;
select DATEDIFF('2020-05-15', '2020-05-10'); //returns 5
select DATEDIFF('2020-05-13', '2020-05-16'); //returns -3
select DATEDIFF('2020-06-30', '2020-05-30'); //returns 30
mysql get date difference in hours
SELECT TIMESTAMPDIFF(HOUR, '2021-05-22 07:00:00', '2021-05-22 12:00:37') as time_diff_in_hours;
mysql date between two dates
ex1:
SELECT * FROM `objects`
WHERE (date_field BETWEEN '2010-01-30 14:15:55' AND '2010-09-29 10:15:55')
ex2:
WHERE
requireddate BETWEEN
CAST('2003-01-01' AS DATE) AND
CAST('2003-01-31' AS DATE);
mysql date between two dates
-- With implicit CAST
SELECT * FROM my_table
WHERE my_date BETWEEN '2021-06-01 01:12:00' AND '2021-06-30 23:59:59';
-- is EQUIVALENT to
SELECT * FROM my_table
WHERE my_date >= '2021-06-01 01:12:00' AND my_col <= '2021-06-30 23:59:59';
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