自己做过MySQL按天,按周,按月,按时间段统计,但是不怎么满意,后来找到这位大神的博客,转载一下,谢谢这位博主的分享
知识点:DATE_FORMAT
使用示例
select DATE_FORMAT(create_time,"%Y%m%d") days,count(caseid) count from tc_case group by days;
select DATE_FORMAT(create_time,"%Y%u") weeks,count(caseid) count from tc_case group by weeks;
select DATE_FORMAT(create_time,"%Y%m") months,count(caseid) count from tc_case group by months;
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