DA0-002 Visualization and Reporting Practice Question
A data analyst is building a report in Power BI and needs to create a measure that calculates the total sales for the current year, but only for products that have at least one sale in the previous year. Which DAX function combination is most appropriate?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
CALCULATE with FILTER and SAMEPERIODLASTYEAR
Using CALCULATE with a FILTER that checks for sales in the previous year via SAMEPERIODLASTYEAR or a similar time intelligence filter achieves this dynamic filtering.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RELATED to pull product data
Why it's wrong here
RELATED retrieves related table values but does not perform aggregation or filtering.
- ✗
TOTALYTD with a filter on Date table
Why it's wrong here
TOTALYTD calculates year-to-date but does not filter for prior year sales condition.
- ✗
SUMX with a FILTER on Sales table
Why it's wrong here
SUMX iterates row by row but without time intelligence it won't correctly filter for previous year condition.
- ✓
CALCULATE with FILTER and SAMEPERIODLASTYEAR
Why this is correct
CALCULATE modifies the filter context, and FILTER combined with SAMEPERIODLASTYEAR identifies products with prior year sales.
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