回答編集履歴
1
typo
answer
CHANGED
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@@ -25,5 +25,5 @@
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25
25
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from
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26
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b
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group by [name], [number]
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28
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-
) b_ex on a.[name] =
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28
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+
) b_ex on a.[name] = b_ex.[name]
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```
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