回答編集履歴

2

修正

2018/04/15 14:18

投稿

sazi
sazi

スコア25184

test CHANGED
@@ -6,7 +6,7 @@
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- と仮定して
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+ と仮定して、更新なのでupdateします。
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@@ -20,13 +20,15 @@
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  where (A,B) in (
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- select A,B
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+ select A,B
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- from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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+ from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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- group by A,B
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+ group by A,B
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- having count(distinct C)>1
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+ having count(distinct C)>1
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+
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+ )
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  )
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1

修正

2018/04/15 14:18

投稿

sazi
sazi

スコア25184

test CHANGED
@@ -12,18 +12,24 @@
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  ```SQL
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- wpdate ExmpleTable set c=Null
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+ update (
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+ select T2.*
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+
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+ from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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+
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- where (A,B) in (
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+ where (A,B) in (
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  select A,B
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- from ExmpleTable
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+ from Table1 T1 inner join Table2 T2 on T1.***=T2.***
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  group by A,B
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  having count(distinct C)>1
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- )
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+ )
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+
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+ set c=Null
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  ```