Introduce the filter context in the first episode of The Whiteboard!  Watch now

Learn what the row context is in DAX with a more graphical explanation!  Watch now

A context transition in DAX transforms a row context into an equivalent filter context: a picture is worth a thousand words!  Watch now

What is an expanded table in DAX? Seeing it is better than a simple description!  Watch now

A variable is a constant in DAX. Is it more clear if we draw it?  Watch now

Let's draw what the formula engine does when executing a DAX query.  Watch now

How does the VertiPaq storage engine communicate with the formula engine when executing a DAX query?  Watch now

The basic relationships are one-to-many in most databases, DAX is no exception!  Watch now

An invalid relationship in DAX is a regular relationship that has bad data...  Watch now

Do you know the difference between regular and limited relationships in DAX?  Watch now