This PL-300 practice question tests your understanding of prepare the data. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You need to create a date table in Power BI using DAX. Which function should you use to generate a continuous list of dates?
CALCULATE.
Why wrong: CALCULATE is for filter context, not generating dates.
CALENDAR.
Generates a table of dates between start and end.
TODAY.
Why wrong: Returns the current date only.
DATEVALUE.
Why wrong: Converts text to date, does not generate a series.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
CALENDAR.
The CALENDAR function in DAX generates a single-column table of dates that starts from a specified start date and ends at a specified end date, creating a continuous list of all dates in that range. This is the correct function to use when you need to create a date table for time intelligence calculations in Power BI.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
CALCULATE.
Why it's wrong here
CALCULATE is for filter context, not generating dates.
CALENDAR.
Why this is correct
Generates a table of dates between start and end.
Related concept
Read the scenario before looking for a memorised answer.
TODAY.
Why it's wrong here
Returns the current date only.
DATEVALUE.
Why it's wrong here
Converts text to date, does not generate a series.
Common exam traps
The trap here is that candidates confuse CALCULATE (a context modifier) with CALENDAR (a table generator) because of the similar spelling, or they mistakenly think TODAY or DATEVALUE can produce a range of dates when they only return single values.
Detailed technical explanation
Under the hood, CALENDAR returns a table with a single column named 'Date' containing all dates from the start to the end date inclusive. A common best practice is to use CALENDARAUTO instead when you want the date range to automatically span all dates present in your model, which avoids hardcoding boundaries and reduces maintenance. In real-world scenarios, you often combine CALENDAR with ADDCOLUMNS to add calculated columns like Year, Month, and Quarter for robust time intelligence.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Prepare the data — This question tests Prepare the data — Read the scenario before looking for a memorised answer..
The correct answer is: CALENDAR. — The CALENDAR function in DAX generates a single-column table of dates that starts from a specified start date and ends at a specified end date, creating a continuous list of all dates in that range. This is the correct function to use when you need to create a date table for time intelligence calculations in Power BI.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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