回答編集履歴
5
修正
test
CHANGED
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@@ -22,11 +22,11 @@
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22
22
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23
23
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where id in (
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24
24
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25
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-
select id
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25
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+
select id from テーブル
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26
26
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27
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-
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27
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+
group by id
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28
28
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29
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-
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29
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+
having sum(case when 野菜='きゅうり' then 1 end)=1
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30
30
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31
31
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)
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32
32
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4
追記
test
CHANGED
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@@ -11,3 +11,23 @@
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11
11
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)
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12
12
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13
13
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```
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14
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+
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15
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+
追記
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16
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+
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17
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--
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18
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19
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+
```SQL
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20
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+
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21
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+
select * from テーブル
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22
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+
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23
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+
where id in (
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24
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+
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25
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+
select id from テーブル
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26
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+
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27
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+
where 野菜='きゅうり'
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28
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+
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29
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group by id having count(*)=1
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30
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+
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31
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)
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32
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+
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33
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+
```
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3
修正
test
CHANGED
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@@ -1,11 +1,13 @@
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1
1
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```SQL
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2
2
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3
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-
select
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3
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+
select * from テーブル
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4
4
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5
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-
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5
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+
where id in (
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6
6
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7
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+
select id from テーブル
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8
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+
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7
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-
group by id
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9
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+
group by id having count(*)=1
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10
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+
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11
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+
)
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8
12
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9
13
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```
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10
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-
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11
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-
修正中
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2
修正
test
CHANGED
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@@ -1,5 +1,11 @@
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1
1
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```SQL
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2
2
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3
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+
select id, 野菜 from (
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4
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+
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5
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+
select id, 野菜 from テーブル
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6
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+
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3
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-
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7
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+
group by id, 野菜 having count(*)=1
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4
8
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5
9
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```
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10
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+
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11
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+
修正中
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1
修正
test
CHANGED
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@@ -1,7 +1,5 @@
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1
1
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```SQL
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2
2
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3
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-
select 野菜
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3
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+
select id, 野菜 from テーブル group by id, 野菜 having count(*)=1
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4
4
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5
5
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```
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6
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-
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7
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-
count(*)=1 なのでmin(id)でもmax(id)でも結果は同じ
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