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Replace Employee ID with Unique Identifier | Leetcode 1378 | SQL Interview Questions & Answers Replace Employee ID with Unique ID | SQL LEFT JOIN Explained in 3 Minutes 🚀 How do you replace Employee ID with a Unique Identifier? We use a LEFT JOIN! Replace Employee ID With Unique Identifier Leetcode 1378 in 30 Seconds | SQL 50 Challenge LeetCode Problems Solutions In this SQL Shorts video, learn how to replace Employee ID with Unique Identifier (Unique_ID) using LEFT JOIN. If an employee doesn’t have a Unique ID → result shows NULL. Perfect for SQL beginners & interview preparation! SELECT e.name, u.unique_id FROM Employees e LEFT JOIN EmployeeUNI u ON u.id = e.id; LEFT JOIN makes sure all employees appear — and if the unique ID is missing, SQL returns NULL. Simple and powerful! 🚀 Follow for more SQL Shorts!" 🔥 More SQL Tutorials • Sql - MySQL - Data Analysis for Beginners ...… sql left join example replace employee id sql sql join interview question sql beginner tutorial employee unique id query sql shorts sql left join explained #sql #sqlshorts #sqltutorial #sqlquery #database #mysql #postgresql #education #programming #comment #devotional #sqldeveloper #sqlinterview #jroshansir #techitsolutionacademy #sqlforbeginners