Tableau

What: Tableau is a powerful data visualization tool used for creating interactive and shareable dashboards, reports, and visualizations. It allows users to connect to various data sources, explore insights, and present findings in a visually appealing way.

When:

• Use Tableau when you need to visualize and analyze data to uncover trends, patterns, and outliers.
• Tableau is essential for creating dynamic and interactive dashboards for business intelligence and decision-making purposes.
• Tableau is widely used across industries for data analysis, reporting, and storytelling with data.

Access: Tableau offers various licensing options, including a free public version (Tableau Public) and commercial licenses for individuals and organizations.

Example: Visualizing sales performance by region and product category.

  
    // Create a bar chart showing sales by region and product category
    SELECT
      Region,
      Product Category,
      SUM(Sales) 
    AS Total Sales
    FROM SalesData
    GROUP BY Region, Product Category;