What happens when you use an aggregation function (i.e., SUM) in a calculated column? It calculates a value based on the values in the row. You receive an error It calculates a value based upon the entire column It turns the calculated column into a measure What is one of the Rules of a Measure? Redefine the measure, don't reuse it. Never use a measure within another measure. Only use calculated columns in a measure. Reuse the measure, don't redefine it. What type of measure is created within the Power Pivot data model? Implicit Exact Explicit Calculated Field