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Creating Basic SQL Reports in PostgreSQL

Introduction
Multiple metrics for a single object
Metrics for two groups
Ratios and percentages
Global vs. specific metrics
Summary
15. Question 1

Instruction

Let's start with Question 1!

Exercise

Find the number of products supplied and the average unit price for each supplier. Show three columns: company_name, product_count, and avg_unit_price. Don't show the suppliers who haven't supplied any products.

Stuck? Here's a hint!