SQL按照日、周、月、年统计数据 收藏
文章参考:http://www.cnblogs.com/wenbhappy/archive/2008/07/02/1233660.html
如:
表:consume_record
字段:consume (money类型)
date (datetime类型) 
请问怎么写四条sql语句分别按日,按周,按月,按季统计消费总量.
如:1月 1200元
2月 3400元
3月 2800元 

--按日
select sum(consume),day([date]) from consume_record where year([date]) = '2006' group by day([date]) 
--按周quarter
select sum(consume),datename(week,[date]) from consume_record where year([date]) = '2006' group by datename(week,[date]) 
--按月
select sum(consume),month([date]) from consume_record where year([date]) = '2006' group by month([date]) 
--按季
select sum(consume),datename(quarter,[date]) from consume_record where year([date]) = '2006' group by datename(quarter,[date]) 

--指定日期你就看上面的例子变通下呀,无非就是一个聚合函数和Group by 
select [date],sum(consume) from consume_record where [date] between '2006-06-01' and '2006-07-10' group by [date]
本文介绍如何使用SQL语句按日、周、月、季度对消费记录表进行数据汇总,包括具体的SQL实现方法,适用于数据库管理员及开发者。
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