With the help of DATEDIFF(expr1, expr2) we can find the business days between two specified dates.
For example, if we want to find business days between ‘2017-05-27’ and ‘2017-05-23’ then following would be MySQL query −
mysql> Select DATEDIFF('2017-05-27','2017-05-23') AS 'Total Business Days';
+----------------------+
| Total Business Days |
+----------------------+
| 4 |
+----------------------+
1 row in set (0.00 sec)