Report Builder overview in Power BI - Practice Problems & Coding Challenges

Challenge - 5 Problems

🧠 Conceptual

intermediate

Understanding Report Builder Components

Which component in Power BI Report Builder is used to create a table that displays data in rows and columns?

A Table

B Matrix

C Chart

D Textbox

💡 Hint

Think about the component that organizes data simply in rows and columns without grouping.

The Table component displays data in a simple grid of rows and columns, perfect for detailed data display.

❓ dax_lod_result

intermediate

DAX Expression Output in Report Builder

Given a dataset with sales data, what is the output of this DAX measure in Report Builder?

Sales Amount = SUM(Sales[Amount])

Assuming the Sales table has Amount values: 100, 200, 300.

Power BI

Sales Amount = SUM(Sales[Amount])

A 300

B 0

C 100

D 600

💡 Hint

SUM adds all values in the column.

The SUM function adds all Amount values: 100 + 200 + 300 = 600.

❓ visualization

advanced

Best Visualization for Showing Trends Over Time

In Report Builder, which visualization is best to show sales trends over several months?

A Table

B Matrix

C Line Chart

D Pie Chart

💡 Hint

Think about which chart type shows continuous data changes over time.

Line charts are ideal for showing trends over time because they connect data points in a continuous line.

🔧 Formula Fix

advanced

Identifying Error in Report Builder Expression

What error will this expression cause in Report Builder?

=Sum(Fields!Sales.Value + Fields!Cost.Value)

A Runtime error: Division by zero

B Syntax Error due to incorrect Sum usage

C No error, returns sum of Sales and Cost

D Type Error: Cannot add fields

💡 Hint

Check how Sum function expects its argument.

The Sum function expects a single numeric field, not an expression adding two fields inside it.

❓ data_modeling

expert

Handling Many-to-Many Relationships in Report Builder

You have two tables: Customers and Products, linked by a Sales table with many-to-many relationships. Which approach best models this in Report Builder to avoid double counting?

A Create a bridge table and use it in relationships

B Ignore relationships and use separate datasets

C Use a single table combining all data with duplicates

D Use only the Sales table without relationships

💡 Hint

Think about how to handle many-to-many relationships properly in BI models.

A bridge table helps manage many-to-many relationships by linking Customers and Products without duplication.