{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0269",
    "kind": "METHOD",
    "title": "DuckDBのCOPYで検索結果をCSVへ書き出す",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "対象ファイルへの権限",
      "型・文字コードの確認",
      "原典と導入済みversionの対応を確認し、権限のある検証用入力・別の出力先を用意する"
    ],
    "suitable_for": "SQLの集計結果を表計算へ渡す場面。",
    "unsuitable_for": "出力の権限や公開範囲を確認しないデータ配布。",
    "purpose": "DuckDBのCOPYで検索結果をCSVへ書き出す",
    "composition": "DuckDB",
    "shortest_path": [
      "検索SQLと未使用の出力パスを決める",
      "COPYに列・形式・header設定を指定する",
      "書き出したCSVを読み直す"
    ],
    "verification": "出力列・件数・文字列の引用とNULL表現を照合します。",
    "coverage": [
      "database/SQL",
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0269",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
      "id": "REFREL-f8e16dd4158f1f9b",
      "subject_id": "SRC-EVID-REF-0266",
      "predicate": "supports",
      "object_id": "METHOD-0269",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0266"
      ]
    },
    {
      "id": "REFREL-2eec06fadc7f26b1",
      "subject_id": "TOOL-0012",
      "predicate": "supports",
      "object_id": "METHOD-0269",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    },
    {
      "id": "REFREL-014eecb1ef65e1e4",
      "subject_id": "METHOD-0269",
      "predicate": "uses",
      "object_id": "TOOL-0012",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0266"
      ]
    },
    {
      "id": "REFREL-96d96c876cf01718",
      "subject_id": "METHOD-0269",
      "predicate": "requires",
      "object_id": "IDX-C03-004",
      "scope_note": "検証・運用上の関連概念。製品の基本定義とは区別する。",
      "last_verified": "2026-10-23",
      "source_ids": [
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    },
    {
      "id": "REFREL-1d80aae3c7376cc1",
      "subject_id": "IDX-C03-004",
      "predicate": "explains",
      "object_id": "METHOD-0269",
      "scope_note": "利用結果の確認や運用上の注意点を読む経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0266"
      ]
    }
  ]
}