MySQL查询以计算上个月 [英] MySQL Query to calculate the Previous Month

问题描述

我想计算上个月的总订单金额.

I would like to calculate total order amount in the previous month.

我得到了从当前日期开始获取本月数据的查询.

I got the query for getting the data for the present month from the current date.

SELECT SUM(goods_total) AS Total_Amount  FROM orders
WHERE order_placed_date >= date_sub(current_date, INTERVAL 1 MONTH);

现在，我如何仅获取前一个月的数据，不包括本月.

Now how can I get Previous Months Data only, excluding this month.

例如这个月(7月)我赚了15,000美元，上个月(6月)我赚了14,000美元.

For e.g. This month (July) I made $15,000 and last Month(June) i made $14,000.

通过运行上述查询，我​​得到了$ 15,000.

I get the $15,000 by running the above query.

但是我不知道如何计算上个月.

But i dont know how to calculate Previous Months.

推荐答案

在这里，用它来获取MySQL中上个月1日到上月最后一个日期之间的日期:

Here you go, use this to get the date between the 1st of last month and the last of last month in MySQL:

... order_placed_date BETWEEN DATE_FORMAT(NOW() - INTERVAL 1 MONTH, '%Y-%m-01 00:00:00')
AND DATE_FORMAT(LAST_DAY(NOW() - INTERVAL 1 MONTH), '%Y-%m-%d 23:59:59')

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