合并两个查询在一个

Question

我应该做这些DATAS报告：

|--------|---------------|------------|----------|--------------| 
| BIL_Id | BIL_BookingId | BIL_Date | BIL_Rate | BIL_Quantity | 
|--------|---------------|------------|----------|--------------| 
| 1  | 90   | 2017-04-01 | 85.00 | 1   | 
| 2  | 90   | 2017-04-02 | 85.00 | 1   | 
| 3  | 90   | 2017-04-03 | 85.00 | 1   | 
| 4  | 92   | 2017-04-07 | 95.00 | 1   | 
| 5  | 93   | 2017-04-10 | 85.00 | 1   | 
| 6  | 93   | 2017-04-11 | 85.00 | 1   | 
| 7  | 93   | 2017-04-12 | 85.00 | 1   | 
| 8  | 94   | 2017-04-07 | 95.00 | 1   | 
| 9  | 95   | 2017-04-12 | 95.00 | 1   | 
| 10  | 95   | 2017-04-13 | 95.00 | 1   | 
|--------|---------------|------------|----------|--------------| 

我需要：

• 每天晚上预订数。 例如，从数据表中，对于2017-04-12和1其他日期，我应该有2。

该工作查询：

SELECT BIL_Date, 
COUNT(*) AS total_nights 
FROM ___BillableDatas 
WHERE BIL_Date BETWEEN "2017-04-01" AND "2017-04-30" 
GROUP BY BIL_Date ASC 

• 获取收入同期每个日期。

该工作查询：

SELECT BIL_Date, 
SUM(BIL_Rate * BIL_Quantity) AS sumRevAccomodation 
FROM `___BillableDatas` 
WHERE BIL_Date BETWEEN "2017-04-01" AND "2017-04-30" 
GROUP BY BIL_Date ASC 

---

我的问题：如何 我可以在一个这两个查询结合？

Answer 1

你只需要选择两个条款】

SELECT COUNT(*) AS total_nights, BIL_Date,SUM(BIL_Rate * BIL_Quantity) AS sumRevAccomodation 
FROM ___BillableDatas 
WHERE BIL_Date BETWEEN "2017-04-01" AND "2017-04-30" GROUP BY BIL_Date ASC 

混合

Answer 2

SELECT COUNT(*) AS total_nights, SUM(BIL_Rate * BIL_Quantity) AS sumRevAccomodation, BIL_Date FROM ___BillableDatas WHERE BIL_Date BETWEEN "2017-04-01" AND "2017-04-30" GROUP BY BIL_Date ASC