Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

Design, develop, and maintain Power BI dashboards and analytics solutions supporting HR, finance, and manufacturing use cases, including workforce analytics, headcount, turnover, and departmental ...

Before getting into business intelligence tools, it is important to understand what Power BI does first, and then differentiate it with other business intelligence tools. Power BI is a business ...

DAX（Data Analysis Expressions）関数とは、ExcelのパワーピボットやPower BIで使用される数式言語です。 データモデル内の列やテーブルを計算・処理でき、DAX関数を使えるようになると、パワーピボットやPower BIで大量のデータを効率よく処理・計算できます。