Really impressive how simple it is to create a Data Mart and be analyzed with reports, OLAP cubes and Dashboards in a matter of minutes using LinceBI
The best thing is that you can do it with a solution based on open source, without cost of licenses and with professional support guaranteed.
A good alternative at no license cost to PowerBI, Tableau, Qliksense...
You can try more in detail in this
and check this '8 minutes Data Mart and Analysis ready to go'