- ✕この概要は、複数のオンライン ソースに基づいて AI を使用して生成されました。元のソース情報を表示するには、[詳細情報] リンクを使用します。
Query folding is a critical concept in Power BI that optimizes data transformation by delegating operations to the data source. It translates Power Query transformations into native queries that the source system can execute, significantly improving performance and efficiency.
How Query Folding Works
When you apply transformations in Power Query, such as filtering, grouping, or joining, Power BI attempts to fold these steps into a single query that the data source can process. This reduces the volume of data transferred to Power BI and minimizes the workload on the Power Query engine. For example, filtering sales data for the last year and grouping it by product category can be folded into a SQL query executed directly by the database.
Benefits of Query Folding
Query folding guidance in Power BI Desktop - Power BI
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2024年8月31日 · Now that we understand how query folding works and its benefits, let’s explore ways to optimize our Power BI queries for better performance through query folding.
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2025年11月7日 · ビックデータのデータ処理や分析がますます身近になっている現代、初心者でも手軽に使えるツール「Power Query（パワークエリ）」をご存知でしょうか？定期的に同 …
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