Chapter 12. Inside VertiPaq
In Chapter 1, “Introducing the tabular model,” you saw that the tabular model can execute a query by using an in-memory analytics engine or by translating the MDX or DAX query into one or more SQL queries. The former uses a storage engine called VertiPaq, whereas the latter uses DirectQuery. This chapter is dedicated to the internal architecture of the VertiPaq engine, which is the in-memory columnar database that stores and hosts tabular models.
Before reading this chapter, you need to be aware of the following two facts:
Implementation details change often. We did our best to show information at a level that is not ...
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