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SQL-Customer-Analysis

Real SQL business analysis project using SELECT, JOIN, GROUP BY, HAVING and LIKE commands on Northwind retail database

SQL Customer Analysis Project

About

Real SQL business analysis of a retail customer database using W3Schools Northwind dataset.

Business Questions Answered

  1. Total number of customers
  2. Top 5 countries with most customers
  3. European countries customer distribution
  4. Cities with more than 2 customers
  5. Customers with names starting A to D
  6. Customers with more than 3 orders
  7. Customers who ordered in 1997
  8. Orders placed each year
  9. Shipper with most deliveries
  10. German customers order count

SQL Skills Demonstrated

  • SELECT, WHERE, ORDER BY
  • GROUP BY, HAVING
  • JOIN across multiple tables
  • Aggregate functions COUNT, AVG, MAX, MIN
  • LIKE for pattern matching
  • UNION for combining results
  • TOP for limiting results

Tools Used

  • SQL
  • W3Schools SQL Tryit Editor

Author

nmujtaba01-debug Learning SQL for GIS and SAP HANA career Target: Europe and Australia