回答編集履歴
2
推敲
test
CHANGED
|
@@ -28,6 +28,6 @@
|
|
|
28
28
|
|
|
29
29
|
group by 商品コード, 商品名, to_char(日付, 'yyyy/mm')
|
|
30
30
|
|
|
31
|
-
order by to_char(日付, 'yyyy/mm')
|
|
31
|
+
order by to_char(日付, 'yyyy/mm'), sum(売上) desc
|
|
32
32
|
|
|
33
33
|
```
|
1
追記
test
CHANGED
|
@@ -15,3 +15,19 @@
|
|
|
15
15
|
order by sum(売上) desc
|
|
16
16
|
|
|
17
17
|
```
|
|
18
|
+
|
|
19
|
+
期間が複数月に跨る場合は、以下のように月度が必要になります。
|
|
20
|
+
|
|
21
|
+
```SQL
|
|
22
|
+
|
|
23
|
+
select 商品コード, 商品名, to_char(日付, 'yyyy/mm') as 月度, sum(売上) as 月売上
|
|
24
|
+
|
|
25
|
+
from Daily_sales
|
|
26
|
+
|
|
27
|
+
where 日付 >= '2021/01/01' and 日付 < '2021/03/01'
|
|
28
|
+
|
|
29
|
+
group by 商品コード, 商品名, to_char(日付, 'yyyy/mm')
|
|
30
|
+
|
|
31
|
+
order by to_char(日付, 'yyyy/mm') as 月度, sum(売上) desc
|
|
32
|
+
|
|
33
|
+
```
|