Mysql按周，按月，按日，按小时分组统计数据

转载自:http://www.javashuo.com/article/p-tpcgtpad-ga.html.net 按周orm select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks;blog 按月字符串 select DATE_FORMAT(create_time,

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