SQL Query to Find First and Last Order Date Per Customer | SQL Tutorial #coding #sql #dataanalysis

In this video, we learn how to extract the first and last order dates for every customer using SQL. This is a common Data Analysis task and a frequent SQL Interview Question used to calculate Customer Retention or Customer Lifetime.

We will use the MIN() and MAX() aggregate functions combined with the GROUP BY clause to find the earliest and latest dates from the orders table.

🔍 What you will learn:

How to join Customers and Orders tables.

How to use Aggregate functions (MIN and MAX) on dates.

How to group data by Customer ID.

#sql #dataanalysis #datascience #sqlinterviewquestions #database #learnsql #pythonprogramming #python

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