For example, 2017-04-26 is Wednesday, the result is 4
Sunday--1
Monday--2
Tuesday--3
Wednesday--4
Thursday--5
Friday--6
Sunday--1
select DAYOFWEEK('2017-04-26') ;
result is 4
For example, 2017-04-26 is Wednesday, the result is 4
Sunday--1
Monday--2
Tuesday--3
Wednesday--4
Thursday--5
Friday--6
Sunday--1
select DAYOFWEEK('2017-04-26') ;
result is 4