SQL window functions like LEAD and LAG are indispensable tools for business intelligence and data analysis, enabling professionals to uncover trends, track changes, and derive actionable insights. In this guide, we’ll break down how these functions work and demonstrate their real-world applications in SQL-driven analytics.
Polar charts are a unique and visually compelling way to display data in a circular format. In this tutorial, we’ll guide you through creating a polar chart in Tableau using the Sample Superstore dataset. Whether you’re using Tableau Desktop or Tableau Public, follow these steps to build a stunning visualization.
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