First Power BI report - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the first step to create a Power BI report?

The first step is to connect Power BI Desktop to your data source, like an Excel file or database.

beginner

What is a visualization in Power BI?

A visualization is a chart, table, or graph that shows your data in a clear and visual way.

beginner

How do you add a chart to your Power BI report?

You select a chart type from the Visualizations pane and then drag fields from your data to the chart's axis or values.

beginner

What is the purpose of the Filters pane in Power BI?

The Filters pane lets you choose which data to show or hide in your report, helping focus on what matters.

beginner

Why should you save your Power BI report often?

Saving often prevents losing your work and lets you come back to improve or share your report later.

What do you need to do first to start a Power BI report?

A Publish the report

B Create a chart

C Connect to a data source

D Add filters

You must first connect to your data source before creating visuals or filters.

Which pane in Power BI lets you pick the type of chart to use?

A Visualizations pane

B Fields pane

C Filters pane

D Data pane

The Visualizations pane shows chart types you can add to your report.

How do you add data to a chart in Power BI?

A Write a formula

B Type data manually

C Use the Filters pane

D Drag fields to the chart's axis or values

You drag fields from the Fields pane to the chart areas to show data.

What is the main use of filters in a Power BI report?

A Change chart colors

B Hide or show specific data

C Add new data sources

D Save the report

Filters help focus the report on certain data by hiding or showing parts.

Why is it important to save your Power BI report regularly?

A To avoid losing your work

B To add more visuals

C To change the report theme

D To connect to data

Saving regularly protects your work from being lost.

Describe the basic steps to create your first Power BI report.

Think about what you do first, then how you show data, and finally how you keep your work.

Explain why filters are useful in a Power BI report.

Filters help you focus on what matters most in your data.

Practice

1. What is the main purpose of creating a Power BI report?

easy

A. To create text documents for data

B. To write complex code for data processing

C. To store large amounts of raw data

D. To turn data into easy-to-understand visuals

Solution

1. Step 1: Understand Power BI report function

   Power BI reports are designed to visualize data, making it easier to understand.

2. Step 2: Compare options with report purpose

   Only turning data into visuals matches the report's main goal.

3. Final Answer:

   To turn data into easy-to-understand visuals -> Option D

4. Quick Check:

   Power BI reports = Visual data display [OK]

Hint: Reports = visuals, not coding or raw data [OK]

Common Mistakes:

• Thinking Power BI is for coding data processing
• Confusing reports with data storage
• Assuming reports create text documents

2. Which of the following is the correct way to add a field to a Power BI report visualization?

easy

A. Type the field name in a text box on the report

B. Drag the field from Fields pane to the report canvas

C. Write a SQL query to add the field

D. Upload the field as a separate file

Solution

1. Step 1: Recall how to add fields in Power BI

   Fields are added by dragging them from the Fields pane to the report canvas.

2. Step 2: Eliminate incorrect methods

   Writing SQL, typing names, or uploading files are not how fields are added to visuals.

3. Final Answer:

   Drag the field from Fields pane to the report canvas -> Option B

4. Quick Check:

   Drag fields to visuals = correct method [OK]

Hint: Drag fields from Fields pane to canvas [OK]

Common Mistakes:

• Trying to write SQL to add fields
• Typing field names manually
• Uploading fields as files

3. Given a dataset with sales data, what will happen if you drag the 'Sales Amount' field to the report canvas and select a Card visualization?

medium

A. It will show a blank report because Card needs a measure

B. It will list all sales transactions in a table

C. It will show the total sales amount as a single number

D. It will create a bar chart of sales by product

Solution

1. Step 1: Understand Card visualization purpose

   Card visuals display a single summarized number, like total sales.

2. Step 2: Analyze dragging 'Sales Amount' to Card

   Dragging a numeric field like 'Sales Amount' to Card shows its total sum.

3. Final Answer:

   It will show the total sales amount as a single number -> Option C

4. Quick Check:

   Card visual = single total number [OK]

Hint: Card shows one total number from numeric field [OK]

Common Mistakes:

• Expecting a table or chart from Card
• Thinking Card needs a special measure
• Confusing Card with bar chart

4. You created a report but the visual shows no data. Which of these is the most likely reason?

medium

A. You forgot to drag any fields into the visual

B. You used the wrong font color

C. You saved the report without a name

D. You closed Power BI Desktop

Solution

1. Step 1: Identify why visuals show no data

   Visuals need fields dragged into them to display data.

2. Step 2: Check other options for impact

   Font color or report name do not affect data display; closing Power BI stops work but is unrelated to visual data.

3. Final Answer:

   You forgot to drag any fields into the visual -> Option A

4. Quick Check:

   No fields dragged = no data shown [OK]

Hint: Visuals need fields dragged in to show data [OK]

Common Mistakes:

• Blaming font color for no data
• Thinking report name affects visuals
• Confusing closing app with visual data issue

5. You want to create a report that lets users filter sales by year and see total sales update instantly. Which two visuals should you use together?

hard

A. A slicer for Year and a Card for total sales

B. A table for Year and a pie chart for sales

C. A text box for Year and a bar chart for sales

D. A map for Year and a line chart for sales

Solution

1. Step 1: Identify filtering visual

   Slicers let users pick filter values like Year interactively.

2. Step 2: Identify visual showing total sales

   Card visual shows a single total number that updates with filters.

3. Step 3: Combine slicer and card for interactive filtering

   Using slicer for Year and Card for total sales lets users filter and see instant updates.

4. Final Answer:

   A slicer for Year and a Card for total sales -> Option A

5. Quick Check:

   Slicer + Card = interactive filter and total [OK]

Hint: Use slicer to filter and card to show total [OK]

Common Mistakes:

• Using text box instead of slicer for filtering
• Choosing visuals that don't update interactively
• Confusing map with year filter