{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0343",
    "kind": "METHOD",
    "title": "psqlの\\copyで検索結果をローカルCSVへ保存する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "対象データへの権限",
      "接続先または入力ファイルを確認する",
      "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": "PostgreSQLの検証結果を表計算へ渡す場面。",
    "unsuitable_for": "権限のある全列を無条件に外部配布する用途。",
    "purpose": "psqlの\\copyで検索結果をローカルCSVへ保存する",
    "composition": "PostgreSQL",
    "shortest_path": [
      "共有可能なSELECTと出力先を決める",
      "queryの結果を\\copyでCSVへ出力する",
      "CSVのheader・件数と代表値を読み直す"
    ],
    "verification": "必要な列だけが含まれ、NULLや改行を含む値も読めることを確認します。",
    "coverage": [
      "database/SQL",
      "data transformation"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0343",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
      "id": "REFREL-5deae46a9811fca4",
      "subject_id": "SRC-EVID-REF-0268",
      "predicate": "supports",
      "object_id": "METHOD-0343",
      "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-0268"
      ]
    },
    {
      "id": "REFREL-ef9c5d93e819debf",
      "subject_id": "TOOL-0059",
      "predicate": "supports",
      "object_id": "METHOD-0343",
      "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-0268"
      ]
    },
    {
      "id": "REFREL-e77fc756b5d8a536",
      "subject_id": "METHOD-0343",
      "predicate": "uses",
      "object_id": "TOOL-0059",
      "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-0268"
      ]
    },
    {
      "id": "REFREL-0d312ad10c94ebc8",
      "subject_id": "METHOD-0343",
      "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": [
        "SRC-EVID-REF-0268"
      ]
    },
    {
      "id": "REFREL-8fe395aafca358ed",
      "subject_id": "IDX-C03-004",
      "predicate": "explains",
      "object_id": "METHOD-0343",
      "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-0268"
      ]
    }
  ]
}