回答編集履歴
2
変更
test
CHANGED
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@@ -1,3 +1,9 @@
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1
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+
> 1月に課金(charge_logのcategoryがbuy)したユーザーについて、
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2
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+
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3
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> ユーザーごとに、ユーザーID・2月のログイン回数・2月にクエストを行った日数・2月にクエストを行った回数を出力したい。
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4
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+
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5
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+
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6
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+
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1
7
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複数のテーブルで集計する際には、集計する単位で揃える必要があります。
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2
8
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3
9
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```SQL
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1
質問に合わせる
test
CHANGED
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@@ -5,8 +5,6 @@
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5
5
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select login.user_id
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6
6
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7
7
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, login.cnt as login_count
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8
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-
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9
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-
, coalesce(charge.cnt, 0) as charge_count
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8
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11
9
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, coalesce(quest.day_count, 0) as quest_day_count
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10
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@@ -18,7 +16,17 @@
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from login_log
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-
where MONTH(timestamp) =
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where MONTH(timestamp) = 2
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and user_id in (
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select user_id
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from charge_log
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where MONTH(timestamp) = 1 and category = 'buy'
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+
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+
)
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30
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group by user_id
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32
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@@ -26,25 +34,11 @@
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34
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35
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left join (
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36
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-
select user_id, count(*) as cnt
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-
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-
from charge_log
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-
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where MONTH(timestamp) = 5 and category = 'buy'
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-
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-
group by user_id
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-
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-
) charge
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-
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on login.user_id=charge.user_id
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40
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-
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left join (
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-
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37
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select user_id, count(*) as cnt, count(distinct date(timestamp)) as day_count
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44
38
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from quest_log
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40
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47
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-
where MONTH(timestamp) =
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41
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+
where MONTH(timestamp) = 2
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48
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group by user_id
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50
44
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