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SQL Coding Challenge – March 2020

Introduction
Resolve tasks
11. Task 6

Instruction

Very nice! Now that Tom and Mary know how many flowers have their certain color, Tom wants to see a list of main categories and their subcategories.

Exercise

Show the names of all main categories (name this column super_category) with their subcategories (name this column sub_category). Order the results by main category name and then subcategory name.