按周，按月，按日，按小時分組統計數據

[url]http://my.oschina.net/mjRao/blog/698641[/url] 遇到了，總結，僅僅是個搬運工！ 來自陶偉基Wiki select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks; select DATE_FORMAT(create_tim

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