得到一个星期一前的星期sql
SELECT CURDATE() - INTERVAL WEEKDAY(CURDATE()) DAY AS startweek;
得到周日从日在sql
SELECT TO_CHAR(your_table.date_colunm, 'DAY')
FROM your_table;
sql服务器获得的周期从数周
SELECT
DATEADD(DAY, 2 - DATEPART(WEEKDAY, GETDATE()), CAST(GETDATE() AS DATE)) [Week_Start_Date],
DATEADD(DAY, 8 - DATEPART(WEEKDAY, GETDATE()), CAST(GETDATE() AS DATE)) [Week_End_Date]