回答編集履歴
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追記
test
CHANGED
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@@ -27,3 +27,23 @@
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AND case when t1.日付_1 > t1.日付_2 then t1.日付_1 else t1.日付_2 end=t2.最大日付
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```
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追記
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--
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ちょっと先走って回答になったので、訂正
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```SQL
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SELECT t1.*
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FROM table_a as t1
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where 日付_1 = (select max(日付_1) from table_a where name=t1.name and A_number=t1.A_number)
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or 日付_2 = (select max(日付_2) from table_a where name=t1.name and A_number=t1.A_number)
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```
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