Documentation standards in Power BI - Cheat Sheet & Quick Revision

Recall & Review

beginner

Why is documentation important in Power BI projects?

Documentation helps everyone understand the data, reports, and calculations. It makes it easier to maintain, update, and share the work with others.

beginner

What should a good Power BI documentation include?

A good documentation includes data sources, data model explanation, calculated measures, report purpose, and update instructions.

intermediate

How can you document calculated measures in Power BI?

Use clear names and add comments inside DAX formulas or keep a separate document explaining what each measure does and why.

intermediate

What is the benefit of using a data dictionary in Power BI documentation?

A data dictionary lists all tables and columns with descriptions. It helps users understand what each data element means.

beginner

Name one best practice for maintaining Power BI documentation.

Keep documentation updated whenever you change the report or data model to avoid confusion and errors.

What is the first thing to document in a Power BI report?

A Font sizes

B Color scheme

C User names

D Data sources

Documenting data sources is essential to understand where the data comes from.

Which of these is NOT typically part of Power BI documentation?

A User's personal preferences

B Calculated measures description

C Report refresh schedule

D Data model explanation

User's personal preferences are not part of standard documentation.

How can you add comments inside a DAX formula?

A /* comment */

B // comment

C # comment

D <!-- comment -->

DAX supports both /* comment */ and // comment for comments inside formulas.

Why keep documentation updated?

A To impress users

B To increase file size

C To avoid confusion and errors

D To slow down report performance

Updated documentation helps everyone understand the current state and reduces mistakes.

What is a data dictionary?

A A list of report users

B A list of tables and columns with descriptions

C A color palette

D A type of chart

A data dictionary explains the meaning of tables and columns in the data model.

Explain why documentation is important in Power BI and what key elements it should contain.

Think about how documentation helps others understand and use your report.

Describe best practices for maintaining Power BI documentation over time.

Consider what happens when reports change or new people use them.