Summary of Power BI Interview Questions| Data Analysis DA 100 Certification | Tableau | IT Expert System, INC
The video discusses Power BI interview questions and the basics of Power BI, a business intelligence tool used to extract valuable information from raw data. It highlights the popularity of Power BI due to its pre-built dashboards, secure connections, and real-time updates. The video also explains DAX functions, the differences between Power BI and Tableau, and the main building blocks of Power BI visualizations. Additionally, it covers the advantages of the direct query method in Power BI and self-service business intelligence. The video concludes by mentioning the training and certification opportunities provided by IT Expert System, INC.
Presenters/Sources
- IT Expert System, INC
Notable Quotes
— 03:10 — « iterator functions perform a row by row iteration and complete an evaluation. It considers the filter context first and then perform the sum operation on selected rows. »
— 03:21 — « What are the advantages of the direct query method in Power BI? Direct query data connectivity mode allows you to have a direct connection with a live database. It does not load or copy data into the Power BI model because data directly comes from the data source. »
— 03:47 — « What do you understand by self-service business intelligence? SSBI is an approach to business intelligence that allows less technically gifted end-users to perform data analytics on their own without heavily relying on IT professionals. »
Category
Business and Finance