按年汇总,统计:select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y');按月汇总,统计: select sum(mymoney) as totalmoney ...
MySQL日期时间函数大全 DAYOFWEEK date 返回日期date是星期几 星期天, 星期一, 星期六,ODBC标准 mysql gt select DAYOFWEEK gt WEEKDAY date 返回日期date是星期几 星期一, 星期二, 星期天 。mysql gt select WEEKDAY : : gt mysql gt select WEEKDAY gt DAYOFMON ...
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按年汇总,统计:select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y');按月汇总,统计: select sum(mymoney) as totalmoney ...
MYSQL函数:DATE_FORMAT 例子: select DATE_FORMAT(create_time, '%Y%m%d') days,count(caseid) count from tc_case group by days;select DATE_FORMAT ...
按年汇总,统计: select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y'); 按月汇总,统计: select sum(mymoney ...
某时: deteline, "%Y-%m-%d %H" 对应时间: %Y-%m-%d %H:%I: ...
例:假如一张表(tb_ecp_send_speed )中包含时间(date)和数量(count)两个字段,那么我么如何动态的统计每五分钟或十分钟或半个小时的数据总量? beginTime 和 endTime 均为前台页面动态可选的时 select DATE_FORMAT(s.DATE,'%Y- ...
效果如下 ...
DAYOFWEEK(date) 返回日期date是星期几(1=星期天,2=星期一,……7=星期六,ODBC标准)mysql> select DAYOFWEEK('1998-02-03'); -> 3 WEEKDAY(date) 返回日期date是星期几(0=星期一,1=星期二 ...
DAYOFWEEK(date) 返回日期date是星期几(1=星期天,2=星期一,……7=星期六,ODBC标准)mysql> select DAYOFWEEK('1998-02-03'); -> 3 WEEKDAY(date) 返回日期date是星期几(0=星期一,1=星期二 ...