Analyzing Data with Power BI and Power Pivot for Excel 图书pdf下载

Marco Russo 是商业智能领域的商业智能顾问和导师。 他是 SQLBI (www.sqlbi.com) 的创始人，该公司提供基于 Microsoft 技术的商业智能的指导和咨询。 他在金融服务、制造、赌博和商业分销等领域具有特殊的能力和经验。 Marco 是 Microsoft MVP 和 SSAS 大师，这是 Microsoft 分析服务的最高级别认证。 除了与 BI 相关的出版物外，他还撰写了有关 .NET 编程的书籍。 今天，Marco 将他的时间集中在 SQLBI 客户身上，广泛旅行以培训和咨询有关 Power BI 和分析服务的 DAX 和数据建模。 Marco 还在全球范围内教授公共课程。 Marco 还是 Microsoft Ignite、PASS Summit 和 SQLBits 等国际会议的发言人。

Analyzing Data with Power BI and Power Pivot for Excel 本书 pdf 阅读和下载 俄罗斯马克

Renowned DAX experts Alberto Ferrari and Marco Russo teach you how to design data models for maximum efficiency and effectiveness. How can you use Excel and Power BI to gain real insights into your information? As you examine your data, how do you write a formula that provides the numbers you need? The answers to both of these questions lie with the data model. This book introduces the basic techniques for shaping data models in Excel and Power BI. It’s meant for readers who are new to data modeling as well as for experienced data modelers looking for tips from the experts. If you want to use Power BI or Excel to analyze data, the many real-world examples in this book will help you look at your reports in a different way–like experienced data modelers do. As you’ll soon see, with the right data model, the correct answer is always a simple one! By reading this book, you will: • Gain an understanding of the basics of data modeling, including tables, relationships, and keys • Familiarize yourself with star schemas, snowflakes, and common modeling techniques • Learn the importance of granularity • Discover how to use multiple fact tables, like sales and purchases, in a complex data model • Manage calendar-related calculations by using date tables • Track historical attributes, like previous addresses of customers or manager assignments • Use snapshots to compute quantity on hand • Work with multiple currencies in the most efficient way • Analyze events that have durations, including overlapping durations • Learn what data model you need to answer your specific business questions About This Book • For Excel and Power BI users who want to exploit the full power of their favorite tools • For BI professionals seeking new ideas for modeling data