Why is tableau used?

As a data analyst who uses Tableau daily, I'll add that Tableau's real power is in exploratory data analysis. Unlike static Excel charts, Tableau lets you ask "what if" questions by simply clicking different filters. Some key use cases: Identifying trends and patterns that aren't obvious in spreadsheets Creating executive dashboards for quick decision-making Data storytelling - presenting findings in compelling visual narratives Self-service analytics - business users can explore data without IT helpWhat makes Tableau special is its VizQL technology that translates drag-and-drop actions into database queries automatically. This means even non-technical users can create sophisticated analyses. The Tableau Public gallery shows amazing examples of what's possible - from COVID tracking to sports analytics!

Tableau is used primarily for data visualization and business intelligence. Here's why it's so popular: Easy drag-and-drop interface - No coding needed for basic visualizations Connects to multiple data sources - Excel, SQL databases, cloud services Creates interactive dashboards - Users can filter and drill down into data Handles large datasets - Millions of rows without performance issues Mobile responsive - Dashboards work on phones and tablets Real-time analytics - Can connect to live data sourcesCompanies use Tableau to transform raw data into actionable insights. For example, sales teams use it to track performance, marketing to analyze campaign ROI, and operations to monitor efficiency. The visual nature helps people understand complex data quickly without statistical background.