Chapter 3.2: Sales & Profitability — Beyond Revenue
Learn how to calculate total sales and gross profit from eCommerce data using SQL.
#data-preparation (2 articles)
Discover 2 articles about data-preparation. Learn from posts and documentation.
Chapter 3.1: Data Cleaning & Prep for Reliable Insights
How I cleaned and prepared the TheLook dataset—handling missing values, duplicates, and ensuring data integrity for accurate KPIs.