回答編集履歴
2
訂正
test
CHANGED
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@@ -10,7 +10,7 @@
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10
10
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11
11
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from tbl
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12
12
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13
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-
group by trunc(time,'MI')
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13
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+
group by trunc(time,'MI')
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14
14
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15
15
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) t
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16
16
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1
訂正
test
CHANGED
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@@ -1 +1,17 @@
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1
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-
time から正時を求めて
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1
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+
time から正時を求めてWindow関数で累計を取って下さい。
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2
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+
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3
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+
```
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4
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+
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5
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+
select just_hour, sum(cnt) over(order by just_hour)
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6
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+
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7
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+
from (
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8
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+
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9
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select trunc(time,'MI') just_hour, count(*) cnt
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10
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+
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11
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from tbl
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12
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+
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13
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+
group by trunc(time,'MI') just_hour
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14
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+
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15
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+
) t
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16
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+
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17
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+
```
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