按年匯總,統計:select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y');按月匯總,統計: select sum(mymoney) as totalmoney ...
MySQL日期時間函數大全 DAYOFWEEK date 返回日期date是星期幾 星期天, 星期一, 星期六,ODBC標准 mysql gt select DAYOFWEEK gt WEEKDAY date 返回日期date是星期幾 星期一, 星期二, 星期天 。mysql gt select WEEKDAY : : gt mysql gt select WEEKDAY gt DAYOFMON ...
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按年匯總,統計:select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y');按月匯總,統計: select sum(mymoney) as totalmoney ...
MYSQL函數: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 ...
按年匯總,統計: select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y'); 按月匯總,統計: select sum(mymoney ...
某時: deteline, "%Y-%m-%d %H" 對應時間: %Y-%m-%d %H:%I: ...
例:假如一張表(tb_ecp_send_speed )中包含時間(date)和數量(count)兩個字段,那么我么如何動態的統計每五分鍾或十分鍾或半個小時的數據總量? beginTime 和 endTime 均為前台頁面動態可選的時 select DATE_FORMAT(s.DATE,'%Y- ...
效果如下 ...
DAYOFWEEK(date) 返回日期date是星期幾(1=星期天,2=星期一,……7=星期六,ODBC標准)mysql> select DAYOFWEEK('1998-02-03'); -> 3 WEEKDAY(date) 返回日期date是星期幾(0=星期一,1=星期二 ...
DAYOFWEEK(date) 返回日期date是星期幾(1=星期天,2=星期一,……7=星期六,ODBC標准)mysql> select DAYOFWEEK('1998-02-03'); -> 3 WEEKDAY(date) 返回日期date是星期幾(0=星期一,1=星期二 ...