Use Mysql to determine the day of the week

Will be today Thursday , That is to say 2020-07-02

1. Use dayofweek() Function conversion date

select DAYOFWEEK('2020-07-02')

2. Use DATE_FORMAT() Function conversion date

select DATE_FORMAT('2020-07-02')

3. Use WEEKDAY() Function conversion date

select WEEKDAY('2020-07-02')

SELECT
CASE
		DATE_FORMAT(NOW(),'%w')
		WHEN 1 THEN ' Monday ' 
		WHEN 2 THEN ' Tuesday ' 
		WHEN 3 THEN ' week 3' 
		WHEN 4 THEN ' week 4' 
		WHEN 5 THEN ' Friday ' 
		WHEN 6 THEN ' week 6' 
		WHEN 7 THEN ' Sunday ' 
	END 
as week
;