我们想要得到这个月和上个月的总销售额。查询为: WHEN date_trunc('month', date_start)= date_trunc('month', now()) THENsales END) AS curr_sales, WHEN date_trunc('month', date_st
所以我想把这个红移查询转换成MySQL。CONVERT_TZ('material_boxes.created','UTC','America/New_York'),'%m') AS "month_only" FROM material_boxes 红移查询是这样的SELECT TO_CHAR(DATE_TRUNC('month', CONVERT_TIMEZO
在我的红移表中,有一列的时间戳存储为- '2019-09-03 00:00:00‘。我只想从中提取日期。min(date) from table group by col 也尝试过 select col, trunc(min(date)) from table group by col 我仍然得到了正确的时间戳
可以用像这样的行吗?SELECT trunc(dateadd(month,mon,add_months(date_trunc('month', CURRENT_DATE), -9))) as dates我希望这样创建列的最大值(在本例中为12),而不是-9: select 1 as mon union all select 2 union allselect 8 union all
select 9 as mon union a