回答編集履歴
3
訂正
test
CHANGED
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@@ -33,3 +33,5 @@
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33
33
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group by business_id, user_id
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34
34
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35
35
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```
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36
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+
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37
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+
※文法エラーになっていたので修正。
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2
訂正
test
CHANGED
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@@ -8,15 +8,17 @@
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8
8
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9
9
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select business_id, user_id from (
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10
10
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11
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+
select *
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12
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+
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11
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-
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13
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+
, rank() over(partition by business_id, user_id order by tip_count desc) tip_rank
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12
14
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13
15
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from (
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14
16
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15
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-
select *, count(*) over(partion by business_id, user_id) tip_count
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17
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+
select *, count(*) over(partition by business_id, user_id) tip_count
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16
18
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17
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-
, count(*) over(partion by business_id) user_count
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19
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+
, count(*) over(partition by business_id) user_count
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18
20
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19
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-
, count(*) over(partion by user_id) review_count
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21
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+
, count(*) over(partition by user_id) review_count
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20
22
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21
23
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from tip
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22
24
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1
推敲
test
CHANGED
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@@ -6,7 +6,7 @@
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6
6
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7
7
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```SQL
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8
8
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9
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-
select
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9
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+
select business_id, user_id from (
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10
10
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11
11
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select *, rank(partion by business_id, user_id ordr by tip_count desc) tip_rank
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12
12
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@@ -28,4 +28,6 @@
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28
28
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29
29
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where tip_rank <= 2
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30
30
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31
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+
group by business_id, user_id
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32
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+
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31
33
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```
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