回答編集履歴
1
DB Fiddleを追加
answer
CHANGED
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@@ -19,3 +19,4 @@
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19
19
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T1.credit_cat=T2.credit_cat
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20
20
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21
21
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```
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22
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+
[DB Fiddle](https://www.db-fiddle.com/f/hL1XJwbLWuetvwQPFZEZPb/0)
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