22-25 April 2026 
Alberto Ferrari
sqlbi.com
Alberto started working with SQL Server in 2000 and immediately his interest focused on Business Intelligence. He and Marco Russo created sqlbi.com, where they publish extensive content about Business Intelligence.
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SQLBits 2013
Inside xVelocity InMemory Engine (VertiPaq)
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.
The xVelocity engine in SQL Server Analysis
Services 2012 Tabular is a columnar database capable of incredible performances,
both in speed and compression ratio. In this session, we will perform 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. We will show common and useful techniques to increase the
compression ratio and obtain better performances from your Tabular data model.