Mysql根据时间的月份进行分组查询

create_time时间格式

        SELECT DATE_FORMAT(create_time,"%Y%u") weeks FROM role GROUP BY weeks;  
        SELECT DATE_FORMAT(create_time,"%Y%m%d") days FROM role GROUP BY days;   
        SELECT DATE_FORMAT(create_time,"%Y%m") months FROM role GROUP BY months   

create_time时间戳格式

        SELECT FROM_UNIXTIME(create_time,"%Y%u") weeks FROM role GROUP BY weeks;  
        SELECT FROM_UNIXTIME(create_time,"%Y%m%d") days FROM role GROUP BY days;   
        SELECT FROM_UNIXTIME(create_time,"%Y%m") months FROM role GROUP BY months   

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