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This article introduces the Data Ecosystem, an innovative evolution of the modern data warehouse architecture. By combining data lakes, rivers, glaciers, and seas, it offers enhanced scalability, flexibility, and efficiency for today’s data-driven organizations. Read more
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If you import more than one table into Power BI or Power Pivot, you have a data model. When you have more than one table, you usually have relationships between tables. When you analyze data, you often have many choices… Read more
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articleThe Space Report Under the Hood
The infographic “Space Report” submitted to the Best Report Contest in Power BI is not only a collection of nice charts and graphics. There are several little gems implemented to overcome certain limitations, as you will read in this article. Read more
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I just installed a brand new server (well, a virtual machine) with SharePoint 2010 SP1 and SQL Server 2012 RC0, including PowerPivot and Reporting Services / Power View. The server is joined to the domain I use in our development… Read more
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This article describes how DAX automatically converts data types in arithmetic operations. These small details can cause and explain differences in results when using the same operations in other languages. Read more
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SQLBI is now offering a new Data Modeling video course: Introduction to Data Modeling for Power BI. This article describes which users will benefit from this learning experience the most, and how to enroll in the course. Read more
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In the last few years, I and Alberto Ferrari assisted many users of Power Pivot and Power BI who wanted to create their reports using these tools and were struggling with getting the desired numbers from their data. The first… Read more
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Data lineage is such a well-implemented DAX feature that most developers use it without knowing about it. This article describes data lineage and how it can help in producing better DAX code. Read more
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I have a long experience in working on reporting systems based on semantic models. Now we call them “self-service BI”, but the principles are the same we had in DSS (decision support system), OLAP (on-line analytical processing), and many other… Read more
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When you create a data model in Power BI, you should consider how to properly use naming convention and what columns to include, in order to improve usability and performance. This article provides a quick list of best practices valid… Read more