Tuesday, September 15, 2020

What are different technical solutions Power BI vs. Cognos Analytics

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Modeling

Multiple facts with conformed dimensions

Both tools support them with star schema. While Power BI can only create a relationship with a single column, Cognos can support any expression based relationship as long as it is SQL compliant. However, Power BI can use TREATAS to create a virtual relationship.

Multiple Facts with different granularity

Check the link How to handle multiple fact tables with different granularity for detail

Model relative date dimension

Check the link How to model relative date dimension for detail

Model row-level security

Check the link How to implement row-level security for detail

Reporting

How to make a visual show and hide

Power BI: Use Benchmark Pane, Selection Pane, Blank Buttons. 

  1. Define Bookmark
  2. Define Buttons
  3. Associate Bookmark to report visuals
  4. Associate Button to Bookmark

Cognos Analytics: Use Conditional block, block variable

How to quickly identify a visual

Power BI: Selection Pane, it is better to define these visuals with good name and sequence.

Cognos Analytics: Page structure

 

 

 

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