回答編集履歴
1
誤字修正
answer
CHANGED
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@@ -3,7 +3,7 @@
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3
3
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ならば
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4
4
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```SQL
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5
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SELECT vt1.relname, count(*) FROM
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6
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-
(SELECT
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6
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+
(SELECT ta.relname FROM pg_attribute ta INNER JOIN pg_class tc ON (tc.oid = ta.attrelid)
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7
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FROM tc.relname in ('テーブル名1', 'テーブル名2', ...) ) AS vt1
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GROUP BY vt1.relname HAVING count(*) > 1
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9
9
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```
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