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Alberto's blog

Dimensional modeling with Ranged Dimensions

Sep 6, 2007
Dimension   Dimensional Model   Ranged   SSAS  

Alberto Ferrari

Profile   Blog

Blog Archives
  • 2021 (4)
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Oct 28-30, 2025
Lugano
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SQL: Merge two "history tracking" tables
How are GUIDs sorted by SQL Server?
May 6, 2025

Tools in Power BI

This article gives an overview of some of the available tools that can help you create semantic models and reports.  Read more

May 6, 2024

The Optimizing DAX book is available

We are proud to announce the availability of our new book, Optimizing DAX.  Read more

Aug 28, 2023

Managing hierarchical organizations in Power BI security roles

This article describes how to apply dynamic security roles in a hierarchical organization to minimize the maintenance effort on the security configuration and obtain the best performance at query time.  Read more

May 8, 2023

Optimizing text search in DAX

This article describes how to optimize a text search operation in DAX. This technique can improve the performance of Power BI reports that use the contains condition in the filter pane or the filter mode of the Smart Filter Pro…  Read more

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Oct 7, 2025

Understanding value filter behavior in SUMMARIZECOLUMNS

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55:40
Sep 27, 2025

Why Data Pros Still Need Conferences: A Deep Dive into SQLBits 2026

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34:47
Sep 20, 2025

DAX UDFs and Calendar-based time intelligence: A chat with Jay

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01:04:41
Sep 17, 2025

Introducing calendar-based time intelligence in DAX

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What is next

  • Mastering DAX – Oct 28
    , Lugano
  • Mastering DAX – Nov 4
    , Amsterdam
  • Mastering DAX – Nov 12
    , Chicago
  • Data Modeling for Power BI – Dec 2
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  • Mastering DAX – Dec 8
    , Austin
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Marco Russo Alberto Ferrari Daniele Perilli
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