Planning Multi-Step Queries
Explore how to break complex SQL questions into logical steps and use AI to plan and write multi-step queries. Understand structured thinking in SQL by turning ideas into clear code with CTEs. Develop skills to explain and debug queries effectively by reading them as stories. Practice hands-on planning and coding to strengthen your SQL problem-solving approach.
Step 1: Start with a real question
Let’s imagine a common data task: Find departments where the average employee salary is higher than the overall company average.
This question appears to be a single query, but it’s actually several steps in disguise.
Ask yourself:
What’s the company's average salary?
What’s the average per department?
How do I compare them?
Each part can become its own query step, a building block for the final answer. ...
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