Topic: Tabular
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This article describes how to control the execution of DAX code when there are either multiple or empty selections of calculation items in calculation groups. Read more
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Direct Lake + Import composite mode explained—architecture, performance tests, and where it outperforms pure Import or Direct Lake. Re‑recorded after my Fabric Conf 2025 session (the original wasn’t recorded), this walkthrough offers a critical take without the usual marketing pitch, so you can decide which storage… Watch now
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We released a new course for our SQLBI+ subscribers: Security in Tabular Semantic Models. This course explains how to implement security in Tabular semantic models, considering different requirements, data model design, DAX implementation, and performance. The training is reference material… Read more
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How to implement security in Tabular semantic models considering different requirements, data model design, DAX implementation, and performance. Read more
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I usually do not write about announcements and new features until we have had time to try and test them in the real world. However, there are always exceptions, and some of the announcements at the Microsoft Fabric Conference 2025… Read more
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If you think that the end of the year would have been a quiet time because the Power BI team will skip their monthly release (but are we sure?), you might be reassured (or disappointed depending on your perspective) looking at the news I have in this Read more
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The 2015 has been an amazing year for Power BI. One year ago, I was commenting on this blog the public preview of Power BI dashboards. A few days ago, Microsoft released the December update of Power BI Desktop and several updates of the Power BI service. Read more
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The choice of data types can affect precision and performance because of internal conversions. This article shows how the right choice of data type and DAX code makes a significant difference. Read more
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We are proud to announce the availability of our new book, Optimizing DAX. Read more
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When you apply row-level security to a semantic model, there are limitations in using the USERELATIONSHIP function. This article shows the issues, provides a workaround, and its restrictions. Read more
