mysql 按月份分类统计 查询语句

SELECT count( * ) , left( creattime, 7 ) AS left7time

FROM register

WHERE `creattime` LIKE '2012%'

GROUP BY lefttime

mysql中怎么查询一周内，三个月内\x0d\x0a使用sql语句查询日期在一周内的数据\x0d\x0aselect * from ShopOrder where datediff(week,ordTime,getdate()-1)=0 //查询当天日期在一周年的数据\x0d\x0aselect * from ShopOrder where datediff(day,ordTime,getdate()-1)=0 //查询当天的所有数据\x0d\x0a SELECT * FROM A where datediff(d,datetime,getdate()) 回答于 2022-12-11

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