SQL Subqueries Masterclass 🔥 Nested Subquery Tricks + 2nd/3rd Max Salary Queries
SQL Subqueries Masterclass 🔥 Nested Subquery Tricks + 2nd/3rd Max Salary Queries
🚀 Learn SQL Subqueries and Nested Subqueries in Oracle SQL with real interview-style questions and practical query solving using the famous EMP table!
In this video, I explained the complete concept of Subqueries, how nested subqueries work, and solved multiple important SQL questions step-by-step with proper logic and execution.
✅ Topics Covered:
What is a Subquery in SQL
Nested Subquery Concept
How Subqueries Work Internally
Writing Efficient Oracle SQL Queries
Real Query Solving Practice
🔥 Questions Solved:
✔ WAQTD 2nd Maximum Salary
✔ WAQTD 3rd Maximum Salary
✔ WAQTD 2nd Minimum Salary
✔ WAQTD 3rd Minimum Salary
✔ WAQTD Department Name of Employee Earning 2nd Max Salary
✔ WAQTD Name of Employee Hired Before Last Employee
✔ WAQTD Details of Employee Hired 2nd
✔ Oracle SQL EMP Table Practice Queries
🎯 Perfect for:
SQL Beginners
Oracle SQL Students
School / College Theory & Practical Exams
Database Management System (DBMS)
Interview Preparation
Placement Preparation
TCS / Infosys / Wipro SQL Rounds
📌 Practice these queries regularly because subqueries are heavily asked in exams, interviews, and coding rounds.
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