The same charts and trend lines would take more time in excel – let say around ten minutes, whereas with Tableau, you can do the same task within seconds and take quick decision with effective data visualizations. Why not excel when it can also can the same problem with charts, graphs, and images, so why Tableau? What Tableau does is that at the back end, it writes optimized sequel queries in order to fetch your data from the database and then present it to you in a visual form that is easy to understand, insightful, and attractive – helping understand data much better.Īlso, Tableau is easy to use – check out this video: Tableau Server Certification Course and Practice Exams PrerequisitesĪwareness with SQL will be an added advantage andĪ basic understanding of Computer Programming jargons and Data analysis with some knowledge of various types of graphs and charts is enough. Your data mostly lies in spreadsheets and rows & columns with numbers and text, so it is hard to identify problems and come up with solutions by just viewing the data in the form of numbers and text on a spreadsheet. What is the Need for data visualization with Tableau? Tableau can support and connect to a wide variety of data sources like the cloud, DBMS, excel sheets and even can connect to real-time data from websites. In a world where data flows like crazy, visualization can help make quick decisions based on data. Simply Put – Tableau entirely focuses on Visual Analytics. Tableau allowed you to view your business data visually! Tableau was started in 2003, and it is a business intelligence tool.
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