4th - 7th March 2015

ExCeL London Exhibition and Convention Centre, London

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Alberto Ferrari

Alberto Ferrari is a Business Intelligence consultant. Alberto helped several software houses to build complex BI solutions, from the OLTP to the final OLAP cubes, providing planning hints all over the development lifecycle. He is a book author also, having worked on "Exper Cube Development with Microsoft SQL Server 2008" with Marco Russo and Chris Webb and Microsoft PowerPivot for Excel 2010: Give Your Data Meaning with Marco Russo.
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Alberto Ferrari has submitted 6 sessions for SQLBits XIV, although the agenda hasn't been chosen yet. See all submitted sessions.

Pending Sessions

In this session, we run through basic time intelligence techniques and perform a deep analysis of more advanced scenarios, like week-based calendar, non-contiguous date selection, moving windows over time and handling of holidays in different country
In this session, mainly made with demos, Alberto will show you how to measure the performance of a DAX expression, how to get some insight into the query plan, and then he will apply the concepts to several formulas, optimizing them on stage.
Alberto will show you some common techniques to use when building a budget model with Power Pivot and Power Query, including previous year allocation, multiple-step budgeting with linked back tables, handling of budget on non-existing products
In this session, we run through basic time intelligence techniques and perform a deep analysis of more advanced scenarios, like week-based calendar, non-contiguous date selection, moving windows over time and handling of holidays in different country
In this session, mainly made with demos, Alberto will show you how to measure the performance of a DAX expression, how to get some insight into the query plan, and then he will apply the concepts to several formulas, optimizing them on stage.
Alberto will show you some common techniques to use when building a budget model with Power Pivot and Power Query, including previous year allocation, multiple-step budgeting with linked back tables, handling of budget on non-existing products

Previous Sessions

During this session we are going to analyze common business problems that require and advanced usage of DAX functions and data modeling with PowerPivot.
Deep dive into the handling of many to many relationships in DAX. How to make them work and how to optimize their speed thorugh many patterns and live examples of M2M usage.
We are going to show how to compute classical time intelligence with the built-in DAX functions. Then, we will show some more complex time intelligence formulas that require to think out of the box, using advanced data modeling techniques.
In this session, we will analyze the way DAX solves filtering. Starting from simple queries, we will follow the steps DAX does with the filter context, discovering the internals of the query engine of DAX.
A deep dive in the internals of the database architecture, discovering how Vertipaq stores information, in order to gain better insights into the engine and understand the best way to model your data warehouse to leverage the features of VertiPaq.
Alberto will start with a simple query and he will perform on stage all the necessary steps to optimize it, showing you the tools ant the techniques used to identify the bottleneck and to fix the performance issues
This session goes beyond the classical star schema modeling, exploring new techniques to model data with Power Pivot and SSAS Tabular. You will see how brute-force power in DAX allows different data models than those used in SSAS Multidimensional

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