MySQL統計函數記錄——按月、按季度、按日、時間段統計

按年彙總，統計： select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_format(col, '%Y'); 按月彙總，統計：  select sum(mymoney) as totalmoney, count(*) as sheets from mytable group by date_

>>阅读原文<<