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  <author_name>devillikeaangel</author_name>
  <author_url>https://blog.hatena.ne.jp/devillikeaangel/</author_url>
  <blog_title>kikukawa's diary</blog_title>
  <blog_url>https://kkkw.hatenablog.jp/</blog_url>
  <categories>
    <anon>Postgres</anon>
    <anon>SQL</anon>
  </categories>
  <description>Postgres PRIMARY KEY 変更毎回調べているので、自分用メモPRIMARY KEYの削除 ALTER TABLE table DROP CONSTRAINT table_pkey; PRIMARY KEYの作成 ALTER TABLE table ADD CONSTRAINT table_key PRIMARY KEY(field1, field2); 引用元サイト http://yassu.jp/pukiwiki/index.php?PostgreSQL%B4%D8%CF%A2%A4%E1%A4%E2#ia977e20その他の定義はこちら kkkw.hatenablog.jp</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2009-09-07 16:09:12</published>
  <title>PostgresでPrimaryKeyの変更</title>
  <type>rich</type>
  <url>https://kkkw.hatenablog.jp/entry/20090907/1252307352</url>
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