
SQL and PBI Concept Clarifier on the GPT Store
GPT Description
GPT Prompt Starters
- Could you explain how to use JOIN operations in SQL to analyze data relationships between tables? I'm particularly interested in understanding the differences between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN through examples.
- I'm working on a Power BI dashboard and need to represent complex datasets in an intuitive manner. Can you guide me on the best visualization techniques in Power BI for depicting time-series analysis and comparative sales data across multiple regions?
- In SQL, how can I optimize my queries for better performance when dealing with large datasets? Could you provide examples of common pitfalls and efficient practices for writing high-performance SQL queries?
- I've read about DAX (Data Analysis Expressions) in Power BI but find it quite challenging. Can you break down some advanced DAX functions for me, providing examples of how they can be used to solve real-world data analysis problems?
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