Day 5 – SQL Basics for Data Analysts: Queries, Joins & Filtering
Introduction (Hands-On Tutorial Style) Imagine you are a data analyst in a retail company in Nagpur and you’ve been given three Excel sheets—Orders, Customers, and Products. Your manager asks: “Which products are selling the most in Nagpur last quarter?” This is a classic scenario where SQL shines. SQL (Structured Query Language) is the language of […]
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