按年份分组按年份

Question

我必须将我的sql查询按周分组。但该记录包含多年的数据。我用查询SELECT datepart(week, myDate) as week。但周1下，它显示了从每年

如何组周又具有同年

Answer 1

SELECT datepart(week, myDate) as week, datepart(year, myDate) as year, ... from table group by concat(year, '-', week);