#Parquetの記事一覧
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DuckDBでSQLクエリを叩くときにCSV形式よりもApache Parquet形式のほうが早い理由
先に理由を書きますが、ParquetのRow Group単位で並列処理できるしフルスキャンを避けれるからです。 システムでも分析タスクでもSQLクエリを叩く（問い合わせ）したらなる早でレスポンス欲しいですよね。この記事で […]
先に理由を書きますが、ParquetのRow Group単位で並列処理できるしフルスキャンを避けれるからです。 システムでも分析タスクでもSQLクエリを叩く（問い合わせ）したらなる早でレスポンス欲しいですよね。この記事で […]
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