回答編集履歴
2
修正
test
CHANGED
@@ -6,7 +6,7 @@
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6
6
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7
7
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8
8
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9
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-
と仮定して
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9
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+
と仮定して、更新なのでupdateします。
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10
10
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11
11
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12
12
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@@ -20,13 +20,15 @@
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20
20
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21
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where (A,B) in (
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22
22
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23
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-
select A,B
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23
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+
select A,B
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24
24
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25
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-
from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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25
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+
from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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26
26
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27
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-
group by A,B
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27
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+
group by A,B
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28
28
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29
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-
having count(distinct C)>1
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29
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+
having count(distinct C)>1
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30
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+
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31
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+
)
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30
32
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31
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)
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32
34
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1
修正
test
CHANGED
@@ -12,18 +12,24 @@
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12
12
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```SQL
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15
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-
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15
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+
update (
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+
select T2.*
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18
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+
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19
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+
from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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20
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+
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17
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-
where (A,B) in (
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21
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+
where (A,B) in (
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18
22
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19
23
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select A,B
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20
24
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21
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-
from
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25
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+
from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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22
26
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27
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group by A,B
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24
28
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25
29
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having count(distinct C)>1
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30
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27
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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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+
set c=Null
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34
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29
35
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```
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