Dynamic filtering is a technique that filters out unnecessary data in advance during the database query process. The core ...

Discover expert Power Query tips to reduce steps, streamline workflows, and optimize performance for cleaner, faster data ...

在RAG系统中，Query改写不是锦上添花，而是决定检索效果的关键变量。本篇文章将从AI产品经理视角出发，拆解Query改写的核心逻辑与落地路径，帮助你理解如何通过“意图重构”提升召回质量，构建更智能、更精准的AI问答系统。 一、RAG 中的 query 改写：为何至关重要？ 在当今的人工智能领域，检索增强生成（RAG）技术正逐渐崭露头角，成为解决信息获取与生成难题的有力工具。想象一下，用户向一 ...

Learn how to handle column name changes in Power Query and prevent workflow failures with expert tips and dynamic solutions.