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SQL按照日、周、月、年统计数据
写sql语句分别按日，星期，月，季度，年统计销售额
--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])
--按年
select sum(consume),year([date]) from consume_record where group by year([date])
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