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    "title": "psql",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "author_org": "PostgreSQL Global Development Group",
    "source_class": "OFFICIAL_DOCUMENTATION",
    "publication_date": "UNKNOWN",
    "updated_date": "UNKNOWN",
    "version_release": "ROLLING; installed-version compatibility must be checked",
    "availability": "PUBLIC_RETRIEVED",
    "summary": "psqlの基本機能・前提と利用経路を説明する公開一次資料です。",
    "why_useful": "psqlの\\copyでCSVを検証用テーブルへ取り込むために、入力条件と出力の確認方法を原典で調べられます。",
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