dayofweek
Description
Syntax
INT DAYOFWEEK (DATETIME date)
The DAYOFWEEK function returns the index value of the working day of the date, that is, 1 on Sunday, 2 on Monday, and 7 on Saturday.
The parameter is Date or Datetime type
example
mysql> select dayofweek('2019-06-25');
+----------------------------------+
| dayofweek('2019-06-25 00:00:00') |
+----------------------------------+
| 3 |
+----------------------------------+
mysql> select dayofweek(cast(20190625 as date));
+-----------------------------------+
| dayofweek(CAST(20190625 AS DATE)) |
+-----------------------------------+
| 3 |
+-----------------------------------+
keyword
DAYOFWEEK