{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "SRC-EVID-REF-0264",
    "kind": "SOURCE",
    "title": "Reading and Writing Parquet Files",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "author_org": "DuckDB Foundation",
    "source_class": "OFFICIAL_DOCUMENTATION",
    "publication_date": "UNKNOWN",
    "updated_date": "UNKNOWN",
    "version_release": "DuckDB 2.0 documentation",
    "availability": "PUBLIC_RETRIEVED",
    "summary": "Reading and Writing Parquet Files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": "DuckDBでParquetの必要列だけを検索するために、入力条件と出力の確認方法を原典で調べられます。",
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/sources/src-evid-ref-0264",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT",
    "original_url": "https://duckdb.org/docs/2.0/data/parquet/overview"
  },
  "relations": [
    {
      "id": "REFREL-aebec493cbbb60b3",
      "subject_id": "SRC-EVID-REF-0264",
      "predicate": "supports",
      "object_id": "METHOD-0267",
      "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-0264"
      ]
    },
    {
      "id": "REFREL-cf992eaede5e7a63",
      "subject_id": "SRC-EVID-REF-0264",
      "predicate": "documents",
      "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-0264"
      ]
    },
    {
      "id": "REFREL-4b842ee4d5ef5564",
      "subject_id": "SRC-EVID-REF-0264",
      "predicate": "supports",
      "object_id": "METHOD-0342",
      "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-0264"
      ]
    }
  ]
}